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Stockholders' Equity - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Nov. 30, 2014
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock dividend payments	$ 0
Class B
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares authorized to be repurchased			3,000,000
2014 Share Repurchase Program
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock repurchased during period, shares	0	0

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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+ Details

- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References + Details

Identifiable Intangible Assets from Acquisitions - Summary of Identifiable Intangible Assets from Acquisitions (Detail) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 26,530	$ 26,530
Accumulated Amortization	(21,119)	(20,969)
Impairment	(4,959)	(4,959)
Net Carrying Amount	452	602
Customer Relationships
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	13,018	13,018
Accumulated Amortization	(9,588)	(9,588)
Impairment	(3,430)	(3,430)
Technologies
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	9,369	9,369
Accumulated Amortization	(7,956)	(7,839)
Impairment	(1,062)	(1,062)
Net Carrying Amount	351	468
Non-compete Agreements
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,409	3,409
Accumulated Amortization	(2,962)	(2,929)
Impairment	(346)	(346)
Net Carrying Amount	101	134
Trade Names
Acquired Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	734	734
Accumulated Amortization	(613)	(613)
Impairment	$ (121)	$ (121)

Identifiable Intangible Assets from Acquisitions (Tables)

3 Months Ended

Mar. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Identifiable Intangible Assets from Acquisitions

Identifiable intangible assets from acquisitions consisted of the following:


	As of December 31, 2023
(In Thousands)	Gross Carrying Amount		Accumulated Amortization			Impairment			Net Carrying Amount
Customer relationships	$	13,018	$	(9,588	)	$	(3,430	)	$	—
Technologies		9,369		(7,839	)		(1,062	)		468
Non-compete agreements		3,409		(2,929	)		(346	)		134
Trade names		734		(613	)		(121	)		—
Total identifiable intangible assets from acquisitions	$	26,530	$	(20,969	)	$	(4,959	)	$	602


	As of March 31, 2024
(In Thousands)	Gross Carrying Amount		Accumulated Amortization			Impairment			Net Carrying Amount
Customer relationships	$	13,018	$	(9,588	)	$	(3,430	)	$	—
Technologies		9,369		(7,956	)		(1,062	)		351
Non-compete agreements		3,409		(2,962	)		(346	)		101
Trade names		734		(613	)		(121	)		—
Total identifiable intangible assets from acquisitions	$	26,530	$	(21,119	)	$	(4,959	)	$	452

Future Minimum Payments (Parenthetical) (Details)	Mar. 31, 2024 Contract
Contractual Obligation, Fiscal Year Maturity Schedule [Abstract]
Number of contracts	2

Leases (Tables)

3 Months Ended

Mar. 31, 2024

Leases [Abstract]

Schedule of Lease Cost Recognized in Consolidated Statement of Operations and Other Information

Lease cost recognized in the Company’s Condensed Consolidated Statements of Operations and other information is summarized as follows:


	Three Months Ended March 31,
(In Thousands)	2023			2024
Operating lease cost	$	487		$	207
Finance lease cost
Amortization of right-of-use assets	$	13		$	66
Interest on lease liabilities	$	5		$	22
Short-term operating lease cost		95			—
Total operating lease cost		600			295
Other information:
Weighted-average remaining lease term - operating leases		2.7			3.4
Weighted-average remaining lease term - finance leases		2.5			1.7
Weighted-average discount rate - operating leases (1)		4.0	%		6.8	%
Weighted-average discount rate - finance leases		13.2	%		14.1	%

(1) The discount rate used to compute the present value of total lease liabilities as of March 31, 2024 was based on the Company's estimated incremental borrowing rate of similar secured borrowings available to the Company as of the commencement date of lease.

Schedule of Operating and Finance Lease Liabilities

As of March 31, 2024, the Company’s operating and finance lease liabilities were as follows (in thousands):


(In Thousands)	Operating Leases			Finance Leases
Gross future lease payments	$	1,767		$	687
Less: imputed interest		(199	)		(73	)
Present value of total lease liabilities		1,568			614
Less: current portion of lease liabilities		(472	)		(274	)
Total long-term lease liabilities	$	1,096		$	340

Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended
Pay vs Performance Disclosure - USD ($) $ in Thousands	Mar. 31, 2024	Mar. 31, 2023
Pay vs Performance Disclosure
Net Income (Loss)	$ (1,450)	$ (4,476)

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details

Stockholders' Equity - Assumptions to Estimate Fair Value for Stock Options at Grant Date (Detail) - Time Vested Stock Options	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Risk-free interest rate, minimum	4.21%	3.58%
Risk-free interest rate, maximum	4.31%	3.71%
Expected volatility, minimum	57.00%	53.00%
Expected volatility, maximum	64.00%	64.00%
Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected life (in years)	4 years	4 years
Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected life (in years)	6 years 3 months	6 years 3 months

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

+ Details

Insider Trading Arrangements	3 Months Ended
Insider Trading Arrangements	Mar. 31, 2024
Trading Arrangements, by Individual
Material Terms of Trading Arrangement	Securities Trading Plans of Directors and Executive Officers During the quarterly period ended March 31, 2024, no directors or officers of the Company, as defined in Rule 16a-1(f), have adopted and/or terminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement,” each as defined in Regulation S-K Item 408.
Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false

Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2024

Share-Based Payment Arrangement [Abstract]

Stock-based Compensation Expense Included in Operating Expense

Stock-based compensation expense was included in the following operating expense categories as follows:


	Three Months Ended March 31,
(In Thousands)	2023		2024
Service costs	$	45	$	3
Sales and marketing		263		88
Product development		86		8
General and administrative		405		334
Total stock-based compensation	$	799	$	433

Assumptions to Estimate Fair Value for Stock Options at Grant Date

The following weighted average assumptions were used in determining the fair value of time-vested stock option grants for the periods presented:


	Three Months Ended March 31,
	2023	2024
Expected life (in years)	4.00 - 6.25	4.00 - 6.25
Risk-free interest rate	3.58% - 3.71%	4.21% - 4.31%
Expected volatility	53% -64%	57% - 64%

Summary of Stock Option Activity

Stock option activity during the three months ended March 31, 2024 is summarized as follows:


	Options (in thousands)			Weighted average exercise price of options		Weighted average remaining contractual term (in years)
Balance at December 31, 2023		5,395		$	2.21		7.39
Options granted		72		$	1.34
Options forfeited		(82	)	$	1.74
Options expired		(22	)	$	2.62
Options exercised		—
Balance at March 31, 2024		5,363		$	2.20		7.16

Summary of Restricted Stock Awards and Restricted Stock Units

Restricted stock awards and restricted stock unit activity during the three months ended March 31, 2024 is summarized as follows:


	Shares/ Units (In Thousands)			Weighted Average Grant Date Fair Value
Unvested at December 31, 2023		782		$	1.94
Granted		—			—
Vested		(104	)		2.17
Forfeited		(15	)		1.46
Unvested at March 31, 2024		663			1.97

Future Minimum Payments (Detail)
$ in Thousands

Mar. 31, 2024

USD ($)

Contractual Obligation, Fiscal Year Maturity Schedule [Abstract]

Facilities operating leases 2024

$ 424

^[1]

Facilities operating leases 2025

566

^[1]

Facilities operating leases 2026

397

^[1]

Facilities operating leases 2027

311

^[1]

Facilities operating leases 2028

^[1]

Facilities operating leases 2029 and thereafter

^[1]

Facilities operating leases Total minimum payments

1,698

^[1]

Other contractual obligations 2024

3,959

^[2]

Other contractual obligations 2025

6,637

^[2]

Other contractual obligations 2026

3,796

^[2]

Other contractual obligations 2027

1,111

^[2]

Other contractual obligations 2028

^[2]

Other contractual obligations 2029 and thereafter

^[2]

Other contractual obligations, Total minimum payments

15,503

^[2]

4,383

7,203

4,193

1,422

Total 2029 and thereafter

Total minimum payments

$ 17,201

[1]	For additional information regarding the Company's facilities operating leases, see Note 9, Leases of the Notes to the Condensed Consolidated Financial Statements.
[2]	Amounts include commitments under two contracts entered into after March 31, 2024.

Leases - Schedule of Operating and Finance Lease Liabilities (Detail) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Operating Leases Future Minimum Payments Due [Abstract]
Gross future operating lease payments	$ 1,767
Less: imputed interest	(199)
Present value of total operating lease liabilities	1,568
Less: current portion of operating lease liabilities	$ (472)	$ (462)
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other Accrued Liabilities, Current
Total long-term operating lease liabilities	$ 1,096	$ 1,217
Finance Leases Future Minimum Payments Due [Abstract]
Gross future finance lease payments	687
Less: imputed interest	(73)
Present value of total finance lease liabilities	614
Less: current portion of finance lease liabilities	$ (274)
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other Accrued Liabilities, Current
Total long-term finance lease liabilities	$ 340

Concentrations

3 Months Ended

Mar. 31, 2024

Risks and Uncertainties [Abstract]

Concentrations

Note 4: Concentrations

The Company maintains substantially all of its cash and cash equivalents with two financial institutions and are all considered at Level 1 fair value with observable inputs that reflect quoted prices for identical assets or liabilities in active markets.

The Company has one customer that represents more than 10% of consolidated revenue. The table below sets forth the percentage of the Company's consolidated revenue that was attributed to this customer for the three month periods presented below:


	Three Months Ended
(In Percentages)	2023			2024
Customer A		11	%		12	%

The Company has one customer that represents more than 10% of consolidated accounts receivable. The table below sets forth the percentage of the Company's outstanding receivable balance that was attributed to this customer as of the periods presented below:


	December 31,			March 31,
(In Percentages)	2023			2024
Customer A		21	%		18	%

Stockholders' Equity - Summary Restricted Stock Awards and Restricted Stock Units Activity (Detail) - Restricted Stock shares in Thousands	3 Months Ended
	Mar. 31, 2024 $ / shares shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unvested Shares, Beginning Balance \| shares	782
Vested, Shares \| shares	(104)
Forfeited, Shares \| shares	(15)
Unvested Shares, Ending Balance \| shares	663
Weighted average grant date fair value, Beginning Balance \| $ / shares	$ 1.94
Vested, Weighted average grant date fair value \| $ / shares	2.17
Forfeited, Weighted average grant date fair value \| $ / shares	1.46
Weighted average grant date fair value, Ending Balance \| $ / shares	$ 1.97

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

+ Details

Net Income (Loss) Per Share - Additional Information (Detail) - shares shares in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Equity Option \| Class B
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares	5,363	4,493
Restricted Stock \| Class B
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares	616	1,218
Restricted Stock Units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares	48	504

Revenue Recognition - Additional Information (Detail) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Disaggregation Of Revenue [Line Items]
Allowance for credit losses	$ 256,000		$ 232,000
Revenue recognized but not yet invoiced (unbilled AR)	1,500,000		1,500,000
Deferred revenue	1,900,000		1,200,000
Revenue recognized	$ 400	$ 500
Revenue, Practical expedient description terms	The majority of the Company’s total revenue is derived from contracts that include consideration that is variable in nature. The variable elements of these contracts primarily include the number of transactions (for example, the number qualified phone calls). For contracts with an effective term greater than one year, the Company applies the standard’s practical expedient that permits the exclusion of disclosure of the value of unsatisfied performance obligations for these contracts as the Company’s right to consideration corresponds directly to the value provided to the customer for services completed to date and all future variable consideration is allocated to wholly unsatisfied performance obligations. A term for purposes of these contracts has been estimated at 24 months. In addition, the Company applies the standard’s optional exemption to disclose information about performance obligations for contracts that have original expected terms of one year or less.
Customer Relationships
Disaggregation Of Revenue [Line Items]
Estimated life	24 months
Customer Contracts
Disaggregation Of Revenue [Line Items]
Deferred contract costs, net	$ 400,000		300,000
Amortization associated with deferred contract costs	$ 1,600,000		$ 1,600,000
Maximum \| Customer Contracts
Disaggregation Of Revenue [Line Items]
Threshold amortization period when company obtains a contact	1 year

Fair Value of Financial Instruments

3 Months Ended

Mar. 31, 2024

Fair Value Disclosures [Abstract]

Fair Value of Financial Instruments

5: Fair Value of Financial Instruments

The Company had the following financial instruments as of December 31, 2023 and March 31, 2024: cash and cash equivalents, accounts receivable, accounts payable, and accrued liabilities. The carrying value of these financial instruments approximates their fair value based on the liquidity of these financial instruments and their short-term nature. Further, these financial instruments are considered at Level 1 fair value with observable inputs that reflect quoted prices for identical assets or liabilities in active markets.

The following table provides information about the fair value of our cash and cash equivalents balance:


	December 31,		March 31,
(In Thousands)	2023		2024
Level 1 Assets:
Cash	$	9,510	$	6,921
Money market funds		5,097		5,111
Total cash and cash equivalents	$	14,607	$	12,032

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

Condensed Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Class A	Class B	Common Stock Class A	Common Stock Class B	Additional Paid-in Capital	Accumulated Deficit
Beginning Balance at Dec. 31, 2022	$ 44,112			$ 49	$ 385	$ 354,999	$ (311,321)
Beginning Balance (in shares) at Dec. 31, 2022				4,661	38,497
Issuance of common stock upon exercise of options, issuance and vesting of restricted stock and under employee stock purchase plan, net	12				$ 3	9
Issuance of common stock from exercise of options, issuance and vesting of restricted stock and under employee stock purchase plan, net (in shares)					282
Stock-based compensation from options and restricted stock, net of forfeitures	(1)				$ (1)
Stock-based compensation from options and restricted stock, net of forfeitures (in shares)					(105)
Issuance of Class B common stock in connection with prior deferred issuance from acquisition	799					799
Net loss	(4,476)						(4,476)
Ending Balance at Mar. 31, 2023	40,446			$ 49	$ 387	355,807	(315,797)
Ending Balance (in shares) at Mar. 31, 2023				4,661	38,674
Beginning Balance at Dec. 31, 2023	35,870			$ 49	$ 386	356,666	(321,231)
Beginning Balance (in shares) at Dec. 31, 2023		4,661	38,661	4,661	38,661
Stock-based compensation from options and restricted stock, net of forfeitures	433					433
Issuance of Class B common stock in connection with prior deferred issuance from acquisition					$ 3	(3)
Issuance of Class B common stock in connection with prior deferred issuance from acquisition (in shares)					356
Net loss	(1,450)						(1,450)
Ending Balance at Mar. 31, 2024	$ 34,853			$ 49	$ 389	$ 357,096	$ (322,681)
Ending Balance (in shares) at Mar. 31, 2024		4,661	39,017	4,661	39,017

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

+ Details

- Definition

Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest.

+ References

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+ Details

Stockholders' Equity

3 Months Ended

Mar. 31, 2024

Share-Based Payment Arrangement [Abstract]

Stockholders' Equity

Note 6: Stockholders' Equity

Common Stock

In November 2014, the Company’s board of directors authorized a new share repurchase program (the “2014 Repurchase Program”), which supersedes and replaces any prior repurchase programs. Under the 2014 Repurchase Program, the Company is authorized to repurchase up to 3 million shares of the Company’s Class B common stock in the aggregate through open market and privately negotiated transactions, at such times and in such amounts as the Company deems appropriate. Repurchases may also be made under a Rule 10b5-1 plan, which would permit shares to be repurchased when the Company might otherwise be precluded from doing so under insider trading laws. The timing and actual number of shares repurchased will depend on a variety of factors including price, corporate and regulatory requirements, capital availability, and other market conditions. The 2014 Repurchase Program does not have an expiration date and may be expanded, limited or terminated at any time without prior notice. The Company made no repurchases under the 2014 Repurchase Program during the three months ended March 31, 2023 and 2024. Shares repurchased but not yet retired by the Company are classified as treasury stock on the Condensed Consolidated Balance Sheets before retirement. Retirement of treasury stock results in reductions to common stock and additional paid-in capital.

Stock-based Compensation Plans

The Company grants stock-based awards, including stock options, restricted stock awards, and restricted stock units. The Company measures stock-based compensation cost at the grant date based on the fair value of the award and recognizes it as expense over the vesting or service period, as applicable, of the stock-based award using the straight-line method. The Company accounts for forfeitures as they occur. Stock-based compensation expense has been included in the same lines as compensation paid to the same employees in the Condensed Consolidated Statements of Operations.

Stock-based compensation expense was included in the following operating expense categories as follows:


	Three Months Ended March 31,
(In Thousands)	2023		2024
Service costs	$	45	$	3
Sales and marketing		263		88
Product development		86		8
General and administrative		405		334
Total stock-based compensation	$	799	$	433

The Company uses the Black-Scholes option pricing model to estimate the per share fair value of stock option grants with time-based vesting. The Black-Scholes model relies on a number of key assumptions to calculate estimated fair values. For the three months ended March 31, 2023 and 2024, the expected life of each award granted was determined based on historical experience with similar awards, giving consideration to contractual terms, anticipated exercise patterns, and vesting schedules. Expected volatility is based on historical volatility levels of the Company’s Class B common stock and the expected volatility of companies in similar industries that have similar vesting and contractual terms. The risk-free interest rate is based on the implied yield currently available on U.S. Treasury issues with terms approximately equal to the expected life of the option. The Company uses an expected annual dividend yield in consideration of the Company’s common stock dividend payments, which we consider to be zero.

The following weighted average assumptions were used in determining the fair value of time-vested stock option grants for the periods presented:


	Three Months Ended March 31,
	2023	2024
Expected life (in years)	4.00 - 6.25	4.00 - 6.25
Risk-free interest rate	3.58% - 3.71%	4.21% - 4.31%
Expected volatility	53% -64%	57% - 64%

Stock option activity during the three months ended March 31, 2024 is summarized as follows:


	Options (in thousands)			Weighted average exercise price of options		Weighted average remaining contractual term (in years)
Balance at December 31, 2023		5,395		$	2.21		7.39
Options granted		72		$	1.34
Options forfeited		(82	)	$	1.74
Options expired		(22	)	$	2.62
Options exercised		—
Balance at March 31, 2024		5,363		$	2.20		7.16

Restricted stock awards and restricted stock unit activity during the three months ended March 31, 2024 is summarized as follows:


	Shares/ Units (In Thousands)			Weighted Average Grant Date Fair Value
Unvested at December 31, 2023		782		$	1.94
Granted		—			—
Vested		(104	)		2.17
Forfeited		(15	)		1.46
Unvested at March 31, 2024		663			1.97

Revenues by Geographic Region (Detail) - Geographic Concentration Risk - Revenue	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting Information
Revenues by geographic region	100.00%	100.00%
United States
Segment Reporting Information
Revenues by geographic region	99.00%	99.00%
Canada and Other Countries
Segment Reporting Information
Revenues by geographic region	1.00%	1.00%

Description of Business and Basis of Presentation

3 Months Ended

Mar. 31, 2024

Accounting Policies [Abstract]

Description of Business and Basis of Presentation

Note 1: Description of Business and Basis of Presentation

Description of Business

Marchex, Inc. ("Marchex" or the “Company”) harnesses the power of AI and omnichannel conversational intelligence to provide actionable insights aligned with prescriptive vertical market data analytics, driving operational excellence and revenue acceleration. Marchex enables executive, sales, and marketing teams to optimize customer journey experiences across communications channels. Through our prescriptive analytics solutions, we enable the alignment of enterprise strategy, empowering businesses to increase revenue through informed decision-making and strategic execution. Marchex provides conversational intelligence AI-powered solutions for market-leading companies in leading B2B2C vertical markets, including several of the world’s most innovative and successful brands.

Marchex was incorporated in the state of Delaware on January 17, 2003.

Basis of Presentation

The accompanying Condensed Consolidated Financial Statements have been prepared in accordance with accounting principles generally accepted in the United States ("U.S. GAAP") and pursuant to the rules and regulations of the Securities and Exchange Commission ("SEC"). Certain information and note disclosures normally included in annual financial statements prepared in accordance with U.S. GAAP have been condensed or omitted pursuant to those rule and regulations, although the Company believes that the disclosures made are adequate to make the information not misleading.

The preparation of our Condensed Consolidated Financial Statements requires management to make estimates and assumptions that affect the amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenue and expenses during the reporting period. The Company has used estimates related to several financial statement amounts, including revenues, allowance for credit losses, useful lives for property and equipment and intangible assets, valuation of intangible assets, the fair value of stock option awards, the impairment of goodwill, and the valuation allowance for deferred tax assets. Actual results could differ from those estimates.

Recent Accounting Pronouncements Not Yet Effective

In November 2023, the FASB issued ASU 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures (“ASU 2023-07”), which requires public entities to disclose information about their reportable segments’ significant expenses on an interim and annual basis. In addition, the amendments clarify circumstances in which an entity can disclose multiple segment measures of profit or loss, provides new segment disclosure requirements for entities with a single reportable segment and contains other disclosure requirements. ASU 2023-07 is effective for fiscal years beginning after December 15, 2023 and interim periods within fiscal years beginning after December 15, 2024, with early adoption permitted. The Company is currently assessing the impact of this ASU on its Condensed Consolidated Financial Statements disclosures.

In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures ("ASU 2023-09"), which requires disclosure of disaggregated income taxes paid, prescribes standardized categories for the components of the effective tax rate reconciliation, and modifies other income tax-related disclosures. ASU 2023-09 may be applied on a prospective basis and is effective for annual periods beginning after December 15, 2024, thus it will be effective for our annual reporting period ending December 31, 2025, with early adoption permitted. While we are still evaluating the specific impacts of adoption, we anticipate this guidance may have an impact on our annual income tax disclosures but not on our annual Consolidated Financial Statements.

Stockholders' Equity - Stock-based Compensation Expense by Operating Expense (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock-based compensation	$ 433	$ 799
Service Costs
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock-based compensation	3	45
Sales and Marketing
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock-based compensation	88	263
Product Development
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock-based compensation	8	86
General and Administrative
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock-based compensation	$ 334	$ 405

Supplemental Financial Statement Information - Property and Equipment (Detail) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 4,000	$ 3,996
Less: Accumulated depreciation and amortization	(1,907)	(1,598)
Property and equipment, net	2,093	2,398
Computer and Other Related Equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,014	1,012
Purchased and Internally Developed Software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,699	2,699
Furniture and Fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	262	260
Construction in Progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 25	$ 25

Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2024

Fair Value Disclosures [Abstract]

Fair Value of Cash and Cash Equivalents

The following table provides information about the fair value of our cash and cash equivalents balance:


	December 31,		March 31,
(In Thousands)	2023		2024
Level 1 Assets:
Cash	$	9,510	$	6,921
Money market funds		5,097		5,111
Total cash and cash equivalents	$	14,607	$	12,032

Description of Business and Basis of Presentation (Policies)	3 Months Ended
	Mar. 31, 2024
Accounting Policies [Abstract]
Description of Business	Description of Business Marchex, Inc. ("Marchex" or the “Company”) harnesses the power of AI and omnichannel conversational intelligence to provide actionable insights aligned with prescriptive vertical market data analytics, driving operational excellence and revenue acceleration. Marchex enables executive, sales, and marketing teams to optimize customer journey experiences across communications channels. Through our prescriptive analytics solutions, we enable the alignment of enterprise strategy, empowering businesses to increase revenue through informed decision-making and strategic execution.
Basis of Presentation	Basis of Presentation The accompanying Condensed Consolidated Financial Statements have been prepared in accordance with accounting principles generally accepted in the United States ("U.S. GAAP") and pursuant to the rules and regulations of the Securities and Exchange Commission ("SEC"). Certain information and note disclosures normally included in annual financial statements prepared in accordance with U.S. GAAP have been condensed or omitted pursuant to those rule and regulations, although the Company believes that the disclosures made are adequate to make the information not misleading. The preparation of our Condensed Consolidated Financial Statements requires management to make estimates and assumptions that affect the amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenue and expenses during the reporting period. The Company has used estimates related to several financial statement amounts, including revenues, allowance for credit losses, useful lives for property and equipment and intangible assets, valuation of intangible assets, the fair value of stock option awards, the impairment of goodwill, and the valuation allowance for deferred tax assets. Actual results could differ from those estimates.
Recent Accounting Pronouncement Not Yet Effective	Recent Accounting Pronouncements Not Yet Effective In November 2023, the FASB issued ASU 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures (“ASU 2023-07”), which requires public entities to disclose information about their reportable segments’ significant expenses on an interim and annual basis. In addition, the amendments clarify circumstances in which an entity can disclose multiple segment measures of profit or loss, provides new segment disclosure requirements for entities with a single reportable segment and contains other disclosure requirements. ASU 2023-07 is effective for fiscal years beginning after December 15, 2023 and interim periods within fiscal years beginning after December 15, 2024, with early adoption permitted. The Company is currently assessing the impact of this ASU on its Condensed Consolidated Financial Statements disclosures. In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures ("ASU 2023-09"), which requires disclosure of disaggregated income taxes paid, prescribes standardized categories for the components of the effective tax rate reconciliation, and modifies other income tax-related disclosures. ASU 2023-09 may be applied on a prospective basis and is effective for annual periods beginning after December 15, 2024, thus it will be effective for our annual reporting period ending December 31, 2025, with early adoption permitted. While we are still evaluating the specific impacts of adoption, we anticipate this guidance may have an impact on our annual income tax disclosures but not on our annual Consolidated Financial Statements.
Revenue Recognition	Revenue Recognition We generate the majority of our revenues from conversational intelligence product offerings. Customers typically receive the benefit of the Company’s services as they are performed and substantially all the Company’s revenue is recognized over time as the services are performed. Revenue is recognized when a customer obtains control of services in an amount that reflects the consideration the Company expects to receive in exchange for those services. The Company measures revenue based on the consideration specified in the customer arrangement, and revenue is recognized when the performance obligations in the customer arrangement are satisfied. A performance obligation is a promise in a contract to transfer a distinct service or product to the customer. The transaction price of a contract is allocated to each distinct performance obligation and recognized as revenue when or as the customer receives the benefit of the performance obligation. The Company’s AI-powered conversational analytics technology platform provides data and insights into the conversations our clients are having with their customers across phone, text and other communication channels. Our tools enable brands to personalize customer interactions in order to accelerate sales and capture more opportunities to grow their business. The Company generates revenue from the Company’s conversational analytics technology platform when customers pay the Company a fee for call, text, or other communication related data element they receive from calls or texts or for each phone number tracked based on a pre-negotiated rate. Revenue is recognized as services are provided over time, which is generally measured by the delivery of each call/text or call/text related data element or each phone number tracked. The majority of the Company’s customers are invoiced on a monthly basis following the month of the delivery of services and are required to make payments under standard credit terms. The Company establishes an allowance for credit losses, which is included in Accounts receivable, net in the Company's Condensed Consolidated Balance Sheets, using its best estimate of the amount of expected credit losses in our accounts receivable, to include expected future reductions in customers’ payment obligations related to delivered services. We determine our allowance for credit losses based on analysis of historical bad debts and invoice credits, expected revenue adjustments, customer concentrations, customer creditworthiness, and current economic trends. The balance associated with the allowance for credit losses in the Company’s Condensed Consolidated Balance Sheets was $232.0 thousand and $256.0 thousand as of December 31, 2023 and March 31, 2024, respectively. The revenue recognized but not yet invoiced (unbilled AR) in the Company's Condensed Consolidated Balance Sheets was $1.5 million as of December 31, 2023 and March 31, 2024. Customer payments received in advance of revenue recognition are considered contract liabilities and are recorded as deferred revenue. The deferred revenue balance in the Company’s Condensed Consolidated Balance Sheets as of December 31, 2023 and March 31, 2024, was $1.2 million and $1.9 million, respectively. During the three months ended March 31, 2023 and 2024 revenue recognized that was included in contract liabilities at the beginning of the period was $0.5 thousand and $0.4 thousand, respectively. The majority of the Company’s total revenue is derived from contracts that include consideration that is variable in nature. The variable elements of these contracts primarily include the number of transactions (for example, the number qualified phone calls). For contracts with an effective term greater than one year, the Company applies the standard’s practical expedient that permits the exclusion of disclosure of the value of unsatisfied performance obligations for these contracts as the Company’s right to consideration corresponds directly to the value provided to the customer for services completed to date and all future variable consideration is allocated to wholly unsatisfied performance obligations. A term for purposes of these contracts has been estimated at 24 months. In addition, the Company applies the standard’s optional exemption to disclose information about performance obligations for contracts that have original expected terms of one year or less. For arrangements that include multiple performance obligations, the transaction price from the arrangement is allocated to each respective performance obligation based on its relative standalone selling price and recognized when revenue recognition criteria for each performance obligation are met. The standalone selling price for each performance obligation is established based on the sales price at which the Company would sell a promised good or service separately to a customer or the estimated standalone selling price. The Company’s incremental direct costs of obtaining a contract, which consist primarily of sales commissions, are generally deferred and amortized to sales and marketing expense over the estimated life of the relevant customer relationship of approximately 24 months and are subject to being monitored every period to reflect any significant change in assumptions. In addition, the deferred contract cost asset is assessed for impairment on a periodic basis. The Company’s contract acquisition costs are included in other assets, net in the Company's Condensed Consolidated Balance Sheets. The Company is applying the standard’s practical expedient permitting expensing of costs to obtain a contract when the expected amortization period is one year or less, which typically results in expensing commissions paid to acquire certain contracts. As of December 31, 2023 and March 31, 2024, the Company had $0.3 million and $0.4 million of net deferred contract costs, respectively, and the accumulated amortization associated with these costs was $1.6 million both for the year ended December 31, 2023 and for the three months ended March 31, 2024.
Stock-Based Compensation	The Company grants stock-based awards, including stock options, restricted stock awards, and restricted stock units. The Company measures stock-based compensation cost at the grant date based on the fair value of the award and recognizes it as expense over the vesting or service period, as applicable, of the stock-based award using the straight-line method. The Company accounts for forfeitures as they occur. Stock-based compensation expense has been included in the same lines as compensation paid to the same employees in the Condensed Consolidated Statements of Operations.

- Definition

Disclosure of accounting policy for award under share-based payment arrangement. Includes, but is not limited to, methodology and assumption used in measuring cost.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

Segment Reporting and Geographic Information - Additional Information (Detail) - Segment	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting [Abstract]
Number of operating segments	1	1

Segment Reporting and Geographic Information

3 Months Ended

Mar. 31, 2024

Segment Reporting [Abstract]

Segment Reporting and Geographic Information

Note 3: Segment Reporting and Geographic Information

Operating segments are revenue-producing components of the enterprise for which separate financial information is produced internally for the Company’s management. For the three months ended March 31, 2023 and 2024, the Company operated in a single segment comprised of its conversational analytics and related solutions.

Long-lived assets by geographical region are based on the location of the legal entity that owns the assets. As of December 31, 2023 and March 31, 2024, no significant long-lived assets were held by entities outside of the United States.

Revenues from customers by geographical areas are tracked on the basis of the location of the customer. The majority of the Company’s revenue and accounts receivable are derived from domestic sales to customers.

Revenues by geographic region are as follows:


	Three Months Ended March 31,
(In Percentages)	2023			2024
United States		99	%		99	%
Canada and other countries		1	%		1	%
Total		100	%		100	%

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Publisher FASB
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+ Details

Net Income (Loss) Per Share - Computation of Net Loss Per Share Basic and Diluted (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Numerator:
Net loss applicable to common stockholders	$ (1,450)	$ (4,476)
Denominator:
Basic net loss per Class A and Class B share applicable to common stockholders	$ (0.03)	$ (0.11)
Diluted net loss per Class A and Class B share applicable to common stockholders	$ (0.03)	$ (0.11)
Class A
Numerator:
Net loss applicable to common stockholders	$ (157)	$ (491)
Diluted net loss applicable to common stockholders	$ (157)	$ (491)
Denominator:
Weighted average number of shares outstanding used to calculate basic net loss per share	4,661	4,661
Weighted average number of shares outstanding used to calculate diluted net loss per share	4,661	4,661
Basic net loss per Class A and Class B share applicable to common stockholders	$ (0.03)	$ (0.11)
Diluted net loss per Class A and Class B share applicable to common stockholders	$ (0.03)	$ (0.11)
Class B
Numerator:
Net loss applicable to common stockholders	$ (1,293)	$ (3,985)
Reallocation of net loss for Class A shares as a result of conversion of Class A to Class B shares	(157)	(491)
Diluted net loss applicable to common stockholders	$ (1,450)	$ (4,476)
Denominator:
Weighted average number of shares outstanding used to calculate basic net loss per share	38,393	37,835
Conversion of Class A to Class B common shares outstanding	4,661	4,661
Weighted average number of shares outstanding used to calculate diluted net loss per share	43,054	42,496
Basic net loss per Class A and Class B share applicable to common stockholders	$ (0.03)	$ (0.11)
Diluted net loss per Class A and Class B share applicable to common stockholders	$ (0.03)	$ (0.11)

Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenue	$ 11,573	$ 12,216
Expenses:
Service costs	$ 4,414	$ 5,424
Type of Cost, Good or Service [Extensible List]	Service Costs	Service Costs
Sales and marketing	$ 2,787	$ 3,970
Product development	3,245	4,164
General and administrative	2,289	2,617
Amortization of intangible assets from acquisitions	151	531
Acquisition and disposition-related costs		13
Total operating expenses	12,886	16,719
Loss from operations	(1,313)	(4,503)
Interest income (expense) and other, net	(78)	57
Loss before provision for income taxes	(1,391)	(4,446)
Income tax expense	(59)	(30)
Net loss applicable to common stockholders	$ (1,450)	$ (4,476)
Basic net loss per Class A and Class B share applicable to common stockholders	$ (0.03)	$ (0.11)
Diluted net loss per Class A and Class B share applicable to common stockholders	$ (0.03)	$ (0.11)
Class A
Expenses:
Net loss applicable to common stockholders	$ (157)	$ (491)
Basic net loss per Class A and Class B share applicable to common stockholders	$ (0.03)	$ (0.11)
Diluted net loss per Class A and Class B share applicable to common stockholders	$ (0.03)	$ (0.11)
Shares used to calculate basic net loss per share applicable to common stockholders:
Shares used to calculate basic net loss per share applicable to common stockholders	4,661	4,661
Shares used to calculate diluted net loss per share applicable to common stockholders:
Shares used to calculate diluted net loss per share applicable to common stockholders	4,661	4,661
Class B
Expenses:
Net loss applicable to common stockholders	$ (1,293)	$ (3,985)
Basic net loss per Class A and Class B share applicable to common stockholders	$ (0.03)	$ (0.11)
Diluted net loss per Class A and Class B share applicable to common stockholders	$ (0.03)	$ (0.11)
Shares used to calculate basic net loss per share applicable to common stockholders:
Shares used to calculate basic net loss per share applicable to common stockholders	38,393	37,835
Shares used to calculate diluted net loss per share applicable to common stockholders:
Shares used to calculate diluted net loss per share applicable to common stockholders	43,054	42,496

Concentrations (Tables)

3 Months Ended

Mar. 31, 2024

Risks and Uncertainties [Abstract]

Schedules of Consolidated Revenue and Outstanding Receivable


	Three Months Ended
(In Percentages)	2023			2024
Customer A		11	%		12	%


	December 31,			March 31,
(In Percentages)	2023			2024
Customer A		21	%		18	%

Support Service Fees	3 Months Ended
Support Service Fees	Mar. 31, 2024
Support Service Fees [Abstract]
Support Service Fees	12: Support Services Fee In October 2020, the Company sold certain assets related to its Local Leads Platform, Call Marketplace and other assets not related to core conversational analytics. The purchaser was a related party controlled by a shareholder and officers of the Company. In connection with the closing, the Company also entered into an administrative support services agreement with the related party purchaser pursuant to which the Company was to provide services to the related party purchaser for a support services fee. Support services fees related to this arrangement totaled $551.0 thousand and $64 thousand for the three months ended March 31, 2023 and 2024, respectively, and are included in the Company’s Condensed Consolidated Statements of Operations, net of the related expenses, within Service costs, Sales and marketing, Product development, and General and administrative. As of December 31, 2023 and March 31, 2024, the net amount due from the purchaser of $361.0 thousand and $249.0 thousand, respectively, is included in the Company’s Condensed Consolidated Balance Sheets within Prepaid expenses and other current assets.

Stockholders' Equity - Summary of Stock Option Activity (Detail) - $ / shares shares in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Share-Based Payment Arrangement [Abstract]
Number of options, Beginning Balance	5,395
Options granted, Shares	72
Options forfeited, Shares	(82)
Options expired, Shares	(22)
Number of options, Ending Balance	5,363	5,395
Weighted average exercise price of options, Beginning Balance	$ 2.21
Options granted, Weighted average exercise price of options	1.34
Options forfeited, Weighted average exercise price of options	1.74
Options expired, Weighted average exercise price of options	2.62
Weighted average exercise price of options, Ending Balance	$ 2.2	$ 2.21
Weighted average remaining contractual term, End of the period	7 years 1 month 28 days	7 years 4 months 20 days

Concentrations - Schedules of Consolidated Revenue and Outstanding Receivable (Detail) - Customer Concentration Risk - Customer A	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Accounts Receivable
Concentration Risk [Line Items]
Revenues by geographic region	18.00%		21.00%
Revenue
Concentration Risk [Line Items]
Revenues by geographic region	12.00%	11.00%

Revenue Recognition	3 Months Ended
Revenue Recognition	Mar. 31, 2024
Revenue from Contract with Customer [Abstract]
Revenue Recognition	Note 2: Revenue Recognition We generate the majority of our revenues from conversational intelligence product offerings. Customers typically receive the benefit of the Company’s services as they are performed and substantially all the Company’s revenue is recognized over time as the services are performed. Revenue is recognized when a customer obtains control of services in an amount that reflects the consideration the Company expects to receive in exchange for those services. The Company measures revenue based on the consideration specified in the customer arrangement, and revenue is recognized when the performance obligations in the customer arrangement are satisfied. A performance obligation is a promise in a contract to transfer a distinct service or product to the customer. The transaction price of a contract is allocated to each distinct performance obligation and recognized as revenue when or as the customer receives the benefit of the performance obligation. The Company’s AI-powered conversational analytics technology platform provides data and insights into the conversations our clients are having with their customers across phone, text and other communication channels. Our tools enable brands to personalize customer interactions in order to accelerate sales and capture more opportunities to grow their business. The Company generates revenue from the Company’s conversational analytics technology platform when customers pay the Company a fee for call, text, or other communication related data element they receive from calls or texts or for each phone number tracked based on a pre-negotiated rate. Revenue is recognized as services are provided over time, which is generally measured by the delivery of each call/text or call/text related data element or each phone number tracked. The majority of the Company’s customers are invoiced on a monthly basis following the month of the delivery of services and are required to make payments under standard credit terms. The Company establishes an allowance for credit losses, which is included in Accounts receivable, net in the Company's Condensed Consolidated Balance Sheets, using its best estimate of the amount of expected credit losses in our accounts receivable, to include expected future reductions in customers’ payment obligations related to delivered services. We determine our allowance for credit losses based on analysis of historical bad debts and invoice credits, expected revenue adjustments, customer concentrations, customer creditworthiness, and current economic trends. The balance associated with the allowance for credit losses in the Company’s Condensed Consolidated Balance Sheets was $232.0 thousand and $256.0 thousand as of December 31, 2023 and March 31, 2024, respectively. The revenue recognized but not yet invoiced (unbilled AR) in the Company's Condensed Consolidated Balance Sheets was $1.5 million as of December 31, 2023 and March 31, 2024. Customer payments received in advance of revenue recognition are considered contract liabilities and are recorded as deferred revenue. The deferred revenue balance in the Company’s Condensed Consolidated Balance Sheets as of December 31, 2023 and March 31, 2024, was $1.2 million and $1.9 million, respectively. During the three months ended March 31, 2023 and 2024 revenue recognized that was included in contract liabilities at the beginning of the period was $0.5 thousand and $0.4 thousand, respectively. The majority of the Company’s total revenue is derived from contracts that include consideration that is variable in nature. The variable elements of these contracts primarily include the number of transactions (for example, the number qualified phone calls). For contracts with an effective term greater than one year, the Company applies the standard’s practical expedient that permits the exclusion of disclosure of the value of unsatisfied performance obligations for these contracts as the Company’s right to consideration corresponds directly to the value provided to the customer for services completed to date and all future variable consideration is allocated to wholly unsatisfied performance obligations. A term for purposes of these contracts has been estimated at 24 months. In addition, the Company applies the standard’s optional exemption to disclose information about performance obligations for contracts that have original expected terms of one year or less. For arrangements that include multiple performance obligations, the transaction price from the arrangement is allocated to each respective performance obligation based on its relative standalone selling price and recognized when revenue recognition criteria for each performance obligation are met. The standalone selling price for each performance obligation is established based on the sales price at which the Company would sell a promised good or service separately to a customer or the estimated standalone selling price. The Company’s incremental direct costs of obtaining a contract, which consist primarily of sales commissions, are generally deferred and amortized to sales and marketing expense over the estimated life of the relevant customer relationship of approximately 24 months and are subject to being monitored every period to reflect any significant change in assumptions. In addition, the deferred contract cost asset is assessed for impairment on a periodic basis. The Company’s contract acquisition costs are included in other assets, net in the Company's Condensed Consolidated Balance Sheets. The Company is applying the standard’s practical expedient permitting expensing of costs to obtain a contract when the expected amortization period is one year or less, which typically results in expensing commissions paid to acquire certain contracts. As of December 31, 2023 and March 31, 2024, the Company had $0.3 million and $0.4 million of net deferred contract costs, respectively, and the accumulated amortization associated with these costs was $1.6 million both for the year ended December 31, 2023 and for the three months ended March 31, 2024.

- Definition

The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-9

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-10

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 15
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-15

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-12

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-12

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-12

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-12

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-12

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-13

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Topic 606
-Publisher FASB
-URI https://asc.fasb.org//606/tableOfContent

+ Details

Commitments, Contingencies, and Taxes (Tables)

3 Months Ended

Mar. 31, 2024

Commitments Contingencies Taxes And Other [Abstract]

Future Minimum Payments

Future minimum payments are approximately as follows:


(In Thousands)	Facilities operating leases (1)		Other contractual obligations (2)		Total
2024		424		3,959		4,383
2025		566		6,637		7,203
2026		397		3,796		4,193
2027		311		1,111		1,422
2028		—		—		—
2029 and thereafter		—		—		—
Total minimum payments	$	1,698	$	15,503	$	17,201

(1) For additional information regarding the Company's facilities operating leases, see Note 9, Leases of the Notes to the Condensed Consolidated Financial Statements.

(2) Amounts include commitments under two contracts entered into after March 31, 2024.

Commitments, Contingencies, and Taxes

3 Months Ended

Mar. 31, 2024

Commitments Contingencies Taxes And Other [Abstract]

Commitments, Contingencies, and Taxes

Note 10: Commitments, Contingencies, and Taxes

Commitments

The Company has commitments for future payments primarily related to office facilities leases, as well as other contractual obligations primarily related to minimum payments due to outside service providers. Future minimum payments are approximately as follows:


(In Thousands)	Facilities operating leases (1)		Other contractual obligations (2)		Total
2024		424		3,959		4,383
2025		566		6,637		7,203
2026		397		3,796		4,193
2027		311		1,111		1,422
2028		—		—		—
2029 and thereafter		—		—		—
Total minimum payments	$	1,698	$	15,503	$	17,201

(1) For additional information regarding the Company's facilities operating leases, see Note 9, Leases of the Notes to the Condensed Consolidated Financial Statements.

(2) Amounts include commitments under two contracts entered into after March 31, 2024.

Contingencies

The Company from time to time is a party to disputes and legal and administrative proceedings arising from the ordinary course of business. We could become in the future subject to legal proceedings, governmental investigations, and claims in the ordinary course of business, including employment claims, contract-related claims, and claims of alleged infringement of third-party patents, trademarks, and other intellectual property rights. Such claims, even if not meritorious, could force us to expend significant financial and managerial resources and could be material.

In certain agreements, the Company has agreed to indemnification provisions of varying scope and terms with customers, vendors and other parties with respect to certain matters, including, but not limited to, losses arising out of the Company’s breach of agreements or representations and warranties made by the Company, services to be provided by the Company and intellectual property infringement claims made by third parties. As a result of these provisions, the Company may from time to time provide certain levels of financial support to contract parties to seek to minimize the impact of any associated litigation in which they may be involved. To date, there have been no known events or circumstances that have resulted in any material costs related to these indemnification provisions and no liabilities therefore have been recorded in the accompanying Condensed Consolidated Financial Statements. However, the maximum potential amount of the future payments the Company could be required to make under these indemnification provisions could be material.

On October 21, 2022, the Shareholder Representatives for the former shareholders of Telmetrics, Inc. (an entity acquired by the Company in 2018) filed litigation against the Company in the U.S. District Court for the District of Delaware. The plaintiffs are asserting claims under a share purchase agreement and escrow agreement regarding entitlement to an earnout of up to $3.0 million and $1.0 million that was placed in escrow to secure indemnification obligations. On March 22, 2023, the plaintiffs filed an amended complaint also seeking substantial punitive damages, followed by a second amended complaint on May 9, 2023. On June 7, 2023, the Company filed a motion to compel arbitration and/or dismiss the second amended complaint. The plaintiffs filed a responsive brief on July 5, 2023, and the Company filed a reply brief on July 26, 2023. On February 2, 2024, the Magistrate Judge issued a report and recommendation advising the U.S. District Court Judge to dismiss certain claims from the second amended complaint and to allow other claims to proceed to discovery. The parties filed objections to the report and recommendation on February 16, 2024. While we believe we have meritorious defenses to this lawsuit and are vigorously defending against it, litigation is inherently uncertain and we cannot currently predict the ultimate outcome of this matter.

While any litigation contains an element of uncertainty, the Company is not aware of any legal proceedings or claims which are pending that the Company believes, based on current knowledge, will have, individually or taken together, a material adverse effect on the Company’s financial condition, results of operations or liquidity.

Taxes

The Company regularly reviews deferred tax assets to assess whether it is more likely than not that its deferred tax assets will be realized and, if necessary, establishes a valuation allowance for portions of such assets to reduce the carrying value. In assessing whether it is more likely than not that the Company’s deferred tax assets will be realized, factors considered included: historical taxable income, historical trends related to customer usage rates, projected revenues and expenses, macroeconomic conditions, issues facing the industry, existing contracts, the Company’s ability to project future results and any appreciation of its other assets. The ultimate realization of deferred tax assets depends on the generation of future taxable income during the periods in which those temporary differences are deductible. The Company considered the future reversal of deferred tax liabilities, carryback potential, projected taxable income, and tax planning strategies as well as its history of taxable income or losses in the relevant jurisdictions in making this assessment. Based on the level of historical taxable losses and the uncertainty of projections for future taxable income over the periods for which the deferred tax assets are deductible, with the exception of certain insignificant foreign deferred tax assets, the Company concluded that it is not more likely than not that the gross deferred tax assets will be realized and, accordingly, recorded 100% valuation allowance against these deferred tax assets as of December 31, 2023 and March 31, 2024.

From time to time, various state, federal and other jurisdictional tax authorities undertake audits of the Company and its filings. In evaluating the exposure associated with various tax filing positions, the Company on occasion accrues charges for uncertain positions. Resolution of uncertain tax positions will impact the Company’s effective tax rate when settled. The Company does not have any significant interest or penalty accruals. The provision for income taxes includes the impact of contingency provisions and changes to contingencies that are considered appropriate. The Company files U.S. federal, certain U.S. states, and certain foreign tax returns. Generally, U.S. federal, U.S. state, and foreign tax returns filed for years after 2013 are within the statute of limitations and are subject to review and adjustment by the Internal Revenue Service.

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 12,032	$ 14,607
Accounts receivable, net	8,145	7,394
Prepaid expenses and other current assets	2,298	1,805
Total current assets	22,475	23,806
Property and equipment, net	2,093	2,398
Other assets, net	1,489	1,482
Right-of-use lease asset	1,515	1,631
Goodwill	17,558	17,558
Intangible assets from acquisitions, net	452	602
Total assets	45,582	47,477
Current liabilities:
Accounts payable	1,455	1,533
Accrued benefits and payroll	1,566	3,294
Other accrued expenses and current liabilities	3,608	3,217
Deferred revenue and deposits	1,916	1,214
Lease liability current	472	462
Total current liabilities	9,017	9,720
Deferred tax liabilities	276	249
Finance lease, non-current	340	421
Lease liability, non-current	1,096	1,217
Total liabilities	10,729	11,607
Commitments and contingencies - See Note 10
Stockholders’ equity:
Additional paid-in capital	357,096	356,666
Accumulated deficit	(322,681)	(321,231)
Total stockholders’ equity	34,853	35,870
Total liabilities and stockholders’ equity	45,582	47,477
Class A
Stockholders’ equity:
Common stock	49	49
Class B
Stockholders’ equity:
Common stock	$ 389	$ 386

Identifiable Intangible Assets from Acquisitions

3 Months Ended

Mar. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Identifiable Intangible Assets from Acquisitions

Note 11: Identifiable Intangible Assets from Acquisitions

Identifiable intangible assets from acquisitions consisted of the following:


	As of December 31, 2023
(In Thousands)	Gross Carrying Amount		Accumulated Amortization			Impairment			Net Carrying Amount
Customer relationships	$	13,018	$	(9,588	)	$	(3,430	)	$	—
Technologies		9,369		(7,839	)		(1,062	)		468
Non-compete agreements		3,409		(2,929	)		(346	)		134
Trade names		734		(613	)		(121	)		—
Total identifiable intangible assets from acquisitions	$	26,530	$	(20,969	)	$	(4,959	)	$	602


	As of March 31, 2024
(In Thousands)	Gross Carrying Amount		Accumulated Amortization			Impairment			Net Carrying Amount
Customer relationships	$	13,018	$	(9,588	)	$	(3,430	)	$	—
Technologies		9,369		(7,956	)		(1,062	)		351
Non-compete agreements		3,409		(2,962	)		(346	)		101
Trade names		734		(613	)		(121	)		—
Total identifiable intangible assets from acquisitions	$	26,530	$	(21,119	)	$	(4,959	)	$	452

Intangible assets from acquisitions represent customer relationships, acquired technology, non-competition agreements, and trade names. These assets are determined to have definite lives and are amortized on a straight-line basis over the estimated period over which we expect to realize economic value related to the intangible asset. The amortization periods range from one year to 5 years. Based upon the amount of acquired identifiable intangible assets subject to amortization as of December 31, 2023, the estimated amortization expense for the year ending 2024 is $602.1 thousand.

Condensed Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Amortization of intangible assets from acquisitions	$ 151	$ 531
Sales and Marketing
Amortization of intangible assets from acquisitions	34	414
Service Costs
Amortization of intangible assets from acquisitions	117	117
Related Party
Support services fee	64	551
Related Party \| Sales and Marketing
Support services fee		50
Related Party \| Product development
Support services fee		67
Related Party \| General and Administrative
Support services fee	33	54
Related Party \| Service Costs
Support services fee	$ 31	$ 380

Document and Entity Information - shares	3 Months Ended
Document and Entity Information - shares	Mar. 31, 2024	May 07, 2024
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2024
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q1
Trading Symbol	MCHX
Entity Registrant Name	Marchex, Inc.
Entity Central Index Key	0001224133
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Title of 12(b) Security	Class B Common Stock, $0.01 par value per share
Security Exchange Name	NASDAQ
Entity Shell Company	false
Entity File Number	000-50658
Entity Tax Identification Number	35-2194038
Entity Address, Address Line One	1200 5th Ave
Entity Address, Address Line Two	Suite 1300
Entity Address, City or Town	Seattle
Entity Address, State or Province	WA
Entity Address, Postal Zip Code	98101
City Area Code	206
Local Phone Number	331-3300
Entity Incorporation, State or Country Code	DE
Document Quarterly Report	true
Document Transition Report	false
Class A
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		4,660,927
Class B
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		39,017,668

Leases - Schedule of Lease Cost Recognized in Consolidated Statement of Operations and Other Information (Detail) - USD ($)
$ in Thousands

3 Months Ended

Mar. 31, 2024

Mar. 31, 2023

Leases [Abstract]

Operating lease cost

$ 207

$ 487

Finance lease cost

Amortization of right-of-use assets

Interest on lease liabilities

Short-term operating lease cost

Total operating lease cost

$ 295

$ 600

Other information:

Weighted-average remaining lease term - operating leases

3 years 4 months 24 days

2 years 8 months 12 days

Weighted-average remaining lease term - finance leases

1 year 8 months 12 days

2 years 6 months

Weighted-average discount rate - operating leases

^[1]

6.80%

4.00%

Weighted-average discount rate - finance leases

14.10%

13.20%

[1]	The discount rate used to compute the present value of total lease liabilities as of March 31, 2024 was based on the Company's estimated incremental borrowing rate of similar secured borrowings available to the Company as of the commencement date of lease.

Supplemental Financial Statement Information (Tables)

3 Months Ended

Mar. 31, 2024

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Property and Equipment

Property and equipment consisted of the following:


	December 31,			March 31,
(In Thousands)	2023			2024
Computer and other related equipment	$	1,012		$	1,014
Purchased and internally developed software		2,699			2,699
Furniture and fixtures		260			262
Construction in progress		25			25
	$	3,996		$	4,000
Less: accumulated depreciation and amortization		(1,598	)		(1,907	)
Property and equipment, net	$	2,398		$	2,093

Commitments, Contingencies, and Taxes - Additional Information (Detail) - USD ($) $ in Millions	Oct. 21, 2022	Mar. 31, 2024	Dec. 31, 2023
Loss Contingencies [Line Items]
Percentage of valuation allowance		100.00%	100.00%
Share Purchase Agreement
Loss Contingencies [Line Items]
Loss contingency, maximum earnout amount	$ 3.0
Escrow Agreement
Loss Contingencies [Line Items]
Loss contingency, maximum earnout amount	$ 1.0

Supplemental Financial Statement Information - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Depreciation and amortization expense	$ 308,500	$ 339,000

Leases

3 Months Ended

Mar. 31, 2024

Leases [Abstract]

Leases

Note 9: Leases

The Company has operating leases for its corporate office headquarters in Seattle, Washington, and for office space in Wichita, Kansas. The Company recognizes its operating lease agreements in accordance with ASC 842 and recognizes rent expense on a straight-line basis over the lease term with any lease incentives amortized as a reduction of rent expense over the lease term.

Lease cost recognized in the Company’s Condensed Consolidated Statements of Operations and other information is summarized as follows:


	Three Months Ended March 31,
(In Thousands)	2023			2024
Operating lease cost	$	487		$	207
Finance lease cost
Amortization of right-of-use assets	$	13		$	66
Interest on lease liabilities	$	5		$	22
Short-term operating lease cost		95			—
Total operating lease cost		600			295
Other information:
Weighted-average remaining lease term - operating leases		2.7			3.4
Weighted-average remaining lease term - finance leases		2.5			1.7
Weighted-average discount rate - operating leases (1)		4.0	%		6.8	%
Weighted-average discount rate - finance leases		13.2	%		14.1	%

Assets under finance leases, which primarily represent computer equipment, are included in Other assets, net, with the related liabilities included in Lease liability current, and Finance lease, noncurrent on the Company's Condensed Consolidated Balance Sheets.

As of March 31, 2024, the Company’s operating and finance lease liabilities were as follows (in thousands):


(In Thousands)	Operating Leases			Finance Leases
Gross future lease payments	$	1,767		$	687
Less: imputed interest		(199	)		(73	)
Present value of total lease liabilities		1,568			614
Less: current portion of lease liabilities		(472	)		(274	)
Total long-term lease liabilities	$	1,096		$	340

We have entered into a rental agreement for utilization of our financed server equipment. We retain our primary obligation under the original financing terms.

Segment Reporting and Geographic Information (Tables)

3 Months Ended

Mar. 31, 2024

Segment Reporting [Abstract]

Revenues by Geographic Region

Revenues by geographic region are as follows:


	Three Months Ended March 31,
(In Percentages)	2023			2024
United States		99	%		99	%
Canada and other countries		1	%		1	%
Total		100	%		100	%

Revenue Recognition - Additional Information (Detail 1)	Mar. 31, 2024
Maximum \| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2024-04-01
Disaggregation Of Revenue [Line Items]
Performance obligations for contracts, effective term	1 year

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References + Details

Identifiable Intangible Assets from Acquisitions - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2024 USD ($)
Finite Lived Intangible Assets [Line Items]
Estimated amortization expense in 2024	$ 602,100
Minimum
Finite Lived Intangible Assets [Line Items]
Weighted average useful life	1 year
Maximum
Finite Lived Intangible Assets [Line Items]
Weighted average useful life	5 years

Net Income (Loss) Per Share (Tables)

3 Months Ended

Mar. 31, 2024

Earnings Per Share [Abstract]

Computation of Net Loss Per Share Basic and Diluted

The following table presents the computation of basic net loss per share applicable to common stockholders for the periods ended:


	Three Months Ended March 31,
	2023						2024
(In Thousands, Except Per Share Amounts)	Class A			Class B			Class A			Class B
Basic net loss per share:
Numerator:
Net loss applicable to common stockholders	$	(491	)	$	(3,985	)	$	(157	)	$	(1,293	)
Denominator:
Weighted average number of shares outstanding used to calculate basic net loss per share		4,661			37,835			4,661			38,393
Basic net loss per share applicable to common stockholders	$	(0.11	)	$	(0.11	)	$	(0.03	)	$	(0.03	)

The following table presents the computation of diluted net loss per share applicable to common stockholders for the periods ended:


	Three Months Ended March 31,
	2023						2024
(In Thousands, Except Per Share Amounts)	Class A			Class B			Class A			Class B
Diluted net loss per share:
Numerator:
Net loss applicable to common stockholders	$	(491	)	$	(3,985	)	$	(157	)	$	(1,293	)
Reallocation of net loss for Class A shares as a result of conversion of Class A to Class B shares		—			(491	)		—			(157	)
Diluted net loss applicable to common stockholders:	$	(491	)	$	(4,476	)	$	(157	)	$	(1,450	)


Denominator:
Weighted average number of shares outstanding used to calculate basic net loss per share		4,661			37,835			4,661			38,393
Conversion of Class A to Class B common shares outstanding		—			4,661			—			4,661
Weighted average number of shares outstanding used to calculate diluted net loss per share		4,661			42,496			4,661			43,054
Diluted net loss per share applicable to common stockholders	$	(0.11	)	$	(0.11	)	$	(0.03	)	$	(0.03	)

Support Service Fees - Additional Information (Detail) - Administrative Support Services Agreement - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Support Service Fees [Line Items]
Support services fees	$ 64,000	$ 551,000
Prepaid Expenses and Other Current Assets
Support Service Fees [Line Items]
Other Receivables	$ 249,000		$ 361,000
Other Receivable, after Allowance for Credit Loss, Related Party, Type [Extensible Enumeration]	Related Party [Member]

Supplemental Financial Statement Information

3 Months Ended

Mar. 31, 2024

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Supplemental Financial Statement Information

Note 8: Supplemental Financial Statement Information

Property and Equipment

Property and equipment consisted of the following:


	December 31,			March 31,
(In Thousands)	2023			2024
Computer and other related equipment	$	1,012		$	1,014
Purchased and internally developed software		2,699			2,699
Furniture and fixtures		260			262
Construction in progress		25			25
	$	3,996		$	4,000
Less: accumulated depreciation and amortization		(1,598	)		(1,907	)
Property and equipment, net	$	2,398		$	2,093

Depreciation and amortization expense related to property and equipment was approximately $339.0 thousand and $308.5 thousand for the three months ended March 31, 2023 and 2024, respectively.

Concentrations - Additional Information (Detail)	Mar. 31, 2024 Entity
Risks and Uncertainties [Abstract]
Number of financial institutions	2

Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares shares in Thousands	Mar. 31, 2024	Dec. 31, 2023
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	137,500	137,500
Class A
Common stock, shares authorized	12,500	12,500
Common stock, shares issued	4,661	4,661
Common stock, shares outstanding	4,661	4,661
Class B
Common stock, shares authorized	125,000	125,000
Common stock, shares issued	39,017	38,661
Common stock, shares outstanding	39,017	38,661
Restricted stock, shares outstanding	615	720

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net loss applicable to common stockholders	$ (1,450)	$ (4,476)
Adjustments to reconcile net loss to net cash used in operating activities:
Amortization and depreciation	474	889
Allowance for credit losses	25	93
Deferred income taxes	28
Stock-based compensation	433	799
Change in assets and liabilities:
Accounts receivable, net	(776)	255
Prepaid expenses, other current assets and other assets	(368)	(42)
Accounts payable	(77)	(1,196)
Accrued expenses and other current liabilities	(1,469)	(995)
Deferred revenue and deposits	702	292
Net cash used in operating activities	(2,478)	(4,381)
Cash flows from investing activities:
Purchases of property and equipment	(4)	(392)
Net cash used in investing activities	(4)	(392)
Cash flows from financing activities:
Proceeds from exercises of stock options, issuance and vesting of restricted stock and employee stock purchase plan, net		9
Cash paid for finance lease	(93)
Net cash provided by (used in) financing activities	(93)	9
Net decrease in cash and cash equivalents	(2,575)	(4,764)
Cash and cash equivalents at beginning of period	14,607	20,474
Cash and cash equivalents at end of period	12,032	15,710
Supplemental disclosure of cash flow information:
Cash paid for operating leases (operating activities)	$ 138	1,184
Financing Lease		$ 451

Net Income (Loss) Per Share

3 Months Ended

Mar. 31, 2024

Earnings Per Share [Abstract]

Net Income (Loss) Per Share

Note 7: Net Income (Loss) Per Share

The Company computes net income (loss) per share of Class A and Class B common stock using the two class method. Under the provisions of the two class method, basic net income (loss) per share is computed by dividing net income (loss) applicable to common stockholders by the weighted average number of common shares outstanding during the year. Diluted net income (loss) per share is computed by dividing net income (loss) applicable to common stockholders by the weighted average number of common and dilutive common equivalent shares outstanding during the period. The computation of the diluted net income (loss) per share of Class B common stock assumes the conversion of Class A common stock to Class B common stock, while the diluted net income (loss) per share of Class A common stock does not assume the conversion of those shares.

In accordance with the two class method, the undistributed earnings (losses) for each year are allocated based on the contractual participation rights of the Class A and Class B common shares and the restricted shares as if the earnings for the year had been distributed. Considering the terms of the Company’s charter which provides that, if and when dividends are declared on its common stock in accordance with Delaware General Corporation Law, equivalent dividends shall be paid with respect to the shares of Class A common stock and Class B common stock and that both classes of common stock have identical dividend rights and would share equally in the Company’s net assets in the event of liquidation, the Company has allocated undistributed earnings (losses) on a proportionate basis.

Instruments granted in unvested share-based payment awards that contain nonforfeitable rights to dividends or dividend equivalents, whether paid or unpaid, are participating securities prior to vesting. As such, the Company’s restricted stock awards are considered participating securities for purposes of calculating earnings per share. Under the two class method, dividends paid on unvested restricted stock are allocated to these participating securities and therefore impact the calculation of amounts allocated to common stock.

The following table presents the computation of basic net loss per share applicable to common stockholders for the periods ended:


	Three Months Ended March 31,
	2023						2024
(In Thousands, Except Per Share Amounts)	Class A			Class B			Class A			Class B
Basic net loss per share:
Numerator:
Net loss applicable to common stockholders	$	(491	)	$	(3,985	)	$	(157	)	$	(1,293	)
Denominator:
Weighted average number of shares outstanding used to calculate basic net loss per share		4,661			37,835			4,661			38,393
Basic net loss per share applicable to common stockholders	$	(0.11	)	$	(0.11	)	$	(0.03	)	$	(0.03	)

The following table presents the computation of diluted net loss per share applicable to common stockholders for the periods ended:


	Three Months Ended March 31,
	2023						2024
(In Thousands, Except Per Share Amounts)	Class A			Class B			Class A			Class B
Diluted net loss per share:
Numerator:
Net loss applicable to common stockholders	$	(491	)	$	(3,985	)	$	(157	)	$	(1,293	)
Reallocation of net loss for Class A shares as a result of conversion of Class A to Class B shares		—			(491	)		—			(157	)
Diluted net loss applicable to common stockholders:	$	(491	)	$	(4,476	)	$	(157	)	$	(1,450	)


Denominator:
Weighted average number of shares outstanding used to calculate basic net loss per share		4,661			37,835			4,661			38,393
Conversion of Class A to Class B common shares outstanding		—			4,661			—			4,661
Weighted average number of shares outstanding used to calculate diluted net loss per share		4,661			42,496			4,661			43,054
Diluted net loss per share applicable to common stockholders	$	(0.11	)	$	(0.11	)	$	(0.03	)	$	(0.03	)

For the three months ended March 31, 2023 and 2024, the computation of diluted net loss per share excludes the following because their effect would be anti-dilutive (in thousands):

•

As of March 31, 2023 and 2024, outstanding options to acquire 4,493 and 5,363 shares, respectively of Class B common stock.

•

As of March 31, 2023 and 2024, 1,218 and 616 shares of unvested Class B restricted common shares, respectively.

•

As of March 31, 2023 and 2024, 504 and 48 restricted stock units, respectively.

Fair Value of Financial Instruments - Fair Vale of Cash and Cash Equivalents (Detail) - Level 1 - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total cash and cash equivalents	$ 12,032	$ 14,607
Cash
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total cash and cash equivalents	6,921	9,510
Mutual Fund
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total cash and cash equivalents	$ 5,111	$ 5,097