Fair Value Measurements

12 Months Ended

Dec. 31, 2022

Fair Value Measurements - Recurring Basis

The following tables summarize assets measured at fair value on a recurring basis:


	As of December 31
	2022		2021
	(In thousands)
Cash equivalents: money-market funds (<90 days)	$	12,614	$	21,935
Cash equivalents: U.S. Treasuries (<90 days)	20,274		—
Available-for-sale securities: U.S. Treasuries (1)	29,700		—
Total	$	62,588	$	21,935

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(1)Included in short-term investments on the consolidated balance sheets.

Our investments in cash equivalents and available-for-sale securities are classified within Level 1 of the fair value hierarchy because they are valued based on quoted market prices in active markets.

As of December 31, 2022 and 2021, assets and liabilities measured as Level 2 fair value were not material and there were no Level 3 fair value assets or liabilities measured on a recurring basis.

Fair Value Measurements - Nonrecurring Basis

We measure the fair value of certain assets on a nonrecurring basis when events or changes in circumstances indicate that the carrying amount the asset may not be recoverable. For the year ended December 31, 2022, we have no assets or liabilities measured on a non-recurring basis. For the year ended December 31, 2021, in connection with the long-lived assets impairment analysis, we recorded an impairment charge of $9.1 million associated with our operating lease right-of-use assets and lease related property and equipment assets on a nonrecurring basis. Refer to Note 4, Balance Sheet Components, for further information about the impairment of our long-lived assets.

- 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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