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Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2021

Fair Value Disclosures [Abstract]

Schedule of Fair Value of Financial Assets and Liabilities Measured on a Recurring Basis

The following table sets forth the fair value of our financial assets and liabilities measured on a recurring basis by level within the fair value hierarchy (in thousands):


			December 31, 2021
			Total Fair Value						Level 1						Level 2						Level 3
Assets:
Money market funds			$	71,175					$	71,175					$	—					$	—
Commercial paper			31,935						—						31,935						—
Corporate bonds			7,022						—						7,022						—
Asset-backed securities			5,304						—						5,304						—

Total			$	115,436					$	71,175					$	44,261					$	—

Liabilities:
Derivative liability for exit fee			$	698					$	—					$	—					$	698
Total			$	698					$	—					$	—					$	698


			December 31, 2020
			Total Fair Value						Level 1						Level 2						Level 3
Assets:
Money market funds			$	88,151					$	88,151					$	—					$	—
Commercial paper			62,729						—						62,729						—
Corporate bonds			26,658						—						26,658						—
U.S. government-sponsored agency bonds			9,279						—						9,279						—
U.S. treasury notes			1,000						—						1,000						—
Total			$	187,817					$	88,151					$	99,666					$	—

Liabilities:
Derivative liability for exit fee			$	1,376					$	—					$	—					$	1,376
Total			$	1,376					$	—					$	—					$	1,376