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Fair Value Measurements

12 Months Ended

Dec. 31, 2021

13.Fair Value Measurements

The following tables summarize the Company’s assets carried at fair value measured on a recurring basis at December 31, 2021 and 2020, respectively, by valuation hierarchy (in thousands):

	December 31, 2021
	Carrying Value		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value		Cash Equivalents		Marketable Securities
Level 1:
Money market funds	$	155,551	$	—	$	—	$	155,551	$	155,551	$	—
Subtotal	$	155,551	$	—	$	—	$	155,551	$	155,551	$	—
Level 2:
Commercial paper	$	49,514	$	—	$	—	$	49,514	$	16,549	$	32,965
Subtotal	$	49,514	$	—	$	—	$	49,514	$	16,549	$	32,965
Total	$	205,065	$	—	$	—	$	205,065	$	172,100	$	32,965

	December 31, 2020
	Carrying Value		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value		Cash Equivalents		Marketable Securities
Level 1:
Money market funds	$	23,538	$	—	$	—	$	23,538	$	23,538	$	—
Total	$	23,538	$	—	$	—	$	23,538	$	23,538	$	—

At December 31, 2021, a total of $155.6 million, or 90.4% of the Company’s interest-bearing cash equivalent balances, were concentrated in one U.S. Government institutional money market fund that had investments consisting primarily of U.S. Government Agency debt, U.S. Treasury debt, U.S. Treasury Repurchase Agreements and U.S. Government Agency Repurchase Agreements. $16.5 million, or 9.6% of the Company’s interest-bearing cash equivalent balances consisted of investment-grade commercial paper. Generally, these investments may be sold upon demand and, therefore, the Company believes they have minimal risk. The Company had investments of $33.0 million in marketable securities at December 31, 2021.

The Company’s cash equivalents and marketable securities are classified within Level 1 or Level 2 on the basis of valuations using quoted market prices or alternative pricing sources and models utilizing market observable inputs, respectively. The marketable securities have been valued on the basis of valuations provided by third-party pricing services, as derived from such services’ pricing models. Inputs to the models may include, but are not limited to, reported trades, executable bid and ask prices, broker/dealer quotations, prices or yields of securities with similar characteristics, benchmark curves or information pertaining to the issuer, as well as industry and economic events. The pricing services may use a matrix approach, which considers information regarding securities with similar characteristics to determine the valuation for a security, and have been classified as Level 2.

At December 31, 2020, substantially all of the Company’s interest-bearing cash equivalent balances were concentrated in one U.S. Government money market fund that has investments consisting primarily of U.S. Government Agency debt, U.S. Treasury debt, U.S. Treasury Repurchase Agreements and U.S. Government Agency Repurchase Agreements. The Company had no investments in marketable securities at December 31, 2020.

The carrying amounts of accounts receivable, accounts payable and accrued expenses approximate fair value because of their short-term maturity.

The fair value of the Company’s CRG Loan is determined using a discounted cash flow analysis based on market rates for observable similar instruments as of the condensed consolidated balance sheet dates. Accordingly, the fair value of the CRG Loan is categorized as Level 2 within the fair value hierarchy. At December 31, 2021, the fair value of the CRG Loan was approximately $38.7 million, and the carrying value of the CRG Loan was approximately $38.9 million, and consisted of $36.6 million of its carrying amount as reported in long-term debt, and $2.3 million of debt exit fee as reported in other long-term liabilities of the consolidated balance sheet, respectively. At December 31, 2020, the fair value of the CRG Loan was approximately $38.0 million, and the carrying value of the CRG Loan was approximately $38.3 million, and consisted of $36.0 million of its carrying amount as reported in long-term debt, and $2.3 million of debt exit fee as reported in other long-term liabilities of the condensed consolidated balance sheet, respectively.

- 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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