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Marketable Securities (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2022

Dec. 31, 2021

Marketable Securities [Abstract]

Schedule of Available-for-sale Marketable Securities

Available-for-sale marketable securities were as follows (in thousands):

		March 31, 2022
		Amortized Cost				Unrealized Gains				Unrealized Losses				Fair Value
Commercial paper		$	50,904			$	—			$	—			$	50,904
Corporate debt			14,814				1				(18	)			14,797
U.S. government agency			15,081				—				(20	)			15,061
Asset-backed securities			3,013				—				(6	)			3,007
Total		$	83,812			$	1			$	(44	)		$	83,769

		December 31, 2021 (1)
		Amortized Cost				Unrealized Gains				Unrealized Losses				Fair Value
Commercial paper		$	43,969			$	—			$	—			$	43,969
Corporate debt			17,084				—				(12	)			17,072
U.S. government agency			5,056				—				(3	)			5,053
Asset-backed securities			7,695				—				(5	)			7,690
Total		$	73,804			$	—			$	(20	)		$	73,784

(1) These items have been reclassified to conform to current period presentation.

Available-for-sale marketable securities, which consisted entirely of corporate bonds, were as follows (in thousands):

		December 31, 2021
Amortized costs		$	73,804
Gross unrealized gains			—
Gross unrealized loss			(20	)
Fair value		$	73,784

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- Definition

Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets.

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