Fair Value Measurements	3 Months Ended
Mar. 31, 2024
Fair Value Disclosures [Abstract]
Fair Value Measurements	4. Fair Value Measurements The Company determines the fair values of its financial instruments based on a fair value hierarchy, which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The classification of a financial asset or liability within the hierarchy is based upon the lowest level input that is significant to the fair value measurement. Under ASC 820, Fair Value Measurement and Disclosures, the fair value hierarchy prioritizes the inputs into three levels that may be used to measure fair value: • Level 1 – Quoted prices (unadjusted) for identical assets and liabilities in active markets; • Level 2 – Inputs other than quoted prices in active markets for identical assets and liabilities that are observable either directly or indirectly; and • Level 3 – Unobservable inputs. Assets and Liabilities Measured at Fair Value on a Recurring Basis As of March 31, 2024 and December 31, 2023, the only assets measured and recognized at fair value on a recurring basis were nominal cash equivalents. As of March 31, 2024 and December 31, 2023, there were no liabilities measured and recognized at fair value on a recurring basis. Assets and Liabilities Measured at Fair Value on a Non-recurring Basis Certain of the Company's assets, including goodwill, intangible assets, and privately-held investments, are measured at fair value on a nonrecurring basis if impairment is indicated. Purchased intangible assets are measured at fair value primarily using discounted cash flow projections. For additional discussion of measurement criteria used in evaluating potential impairment involving goodwill and intangible assets, refer to Note 5, Goodwill and Intangible Assets. As of March 31, 2024 and December 31, 2023, the Company had $348,000 of privately-held investments measured at fair value on a nonrecurring basis, which were classified as Level 3 assets due to the absence of quoted market prices and inherent lack of liquidity. The Company reviews its investments to identify and evaluate investments that have an indication of possible impairment. The Company adjusts the carrying value for its privately-held investments for any impairment if the fair value is less than the carrying value of the respective assets on an other-than-temporary basis. The amount of privately-held investments is included in other assets in the accompanying condensed consolidated balance sheets. As of March 31, 2024 and December 31, 2023, there were no liabilities that are measured and recognized at fair value on a non-recurring basis. Assets and Liabilities Not Measured at Fair Value The carrying amounts of the Company's accounts receivable, prepaid expenses and other current assets, accounts payable, and other accrued liabilities approximate fair value due to their short maturities. The carrying value of the Company's financial liabilities approximates fair value based upon borrowing rates currently available to the Company for loans with similar terms.

Fair Value Measurements

3 Months Ended

Mar. 31, 2024

4. Fair Value Measurements

The Company determines the fair values of its financial instruments based on a fair value hierarchy, which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The classification of a financial asset or liability within the hierarchy is based upon the lowest level input that is significant to the fair value measurement. Under ASC 820, Fair Value Measurement and Disclosures, the fair value hierarchy prioritizes the inputs into three levels that may be used to measure fair value:

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Level 1 – Quoted prices (unadjusted) for identical assets and liabilities in active markets;

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Level 2 – Inputs other than quoted prices in active markets for identical assets and liabilities that are observable either directly or indirectly; and

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Level 3 – Unobservable inputs.

Assets and Liabilities Measured at Fair Value on a Recurring Basis

As of March 31, 2024 and December 31, 2023, the only assets measured and recognized at fair value on a recurring basis were nominal cash equivalents. As of March 31, 2024 and December 31, 2023, there were no liabilities measured and recognized at fair value on a recurring basis.

Assets and Liabilities Measured at Fair Value on a Non-recurring Basis

Certain of the Company's assets, including goodwill, intangible assets, and privately-held investments, are measured at fair value on a nonrecurring basis if impairment is indicated. Purchased intangible assets are measured at fair value primarily using discounted cash flow projections. For additional discussion of measurement criteria used in evaluating potential impairment involving goodwill and intangible assets, refer to Note 5, Goodwill and Intangible Assets.

As of March 31, 2024 and December 31, 2023, the Company had $348,000 of privately-held investments measured at fair value on a nonrecurring basis, which were classified as Level 3 assets due to the absence of quoted market prices and inherent lack of liquidity. The Company reviews its investments to identify and evaluate investments that have an indication of possible impairment. The Company adjusts the carrying value for its privately-held investments for any impairment if the fair value is less than the carrying value of the respective assets on an other-than-temporary basis. The amount of privately-held investments is included in other assets in the accompanying condensed consolidated balance sheets.

As of March 31, 2024 and December 31, 2023, there were no liabilities that are measured and recognized at fair value on a non-recurring basis.

Assets and Liabilities Not Measured at Fair Value

The carrying amounts of the Company's accounts receivable, prepaid expenses and other current assets, accounts payable, and other accrued liabilities approximate fair value due to their short maturities. The carrying value of the Company's financial liabilities approximates fair value based upon borrowing rates currently available to the Company for loans with similar terms.

- 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.

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