Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2021

Fair Value Disclosures [Abstract]

Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis

The following tables summarize the types of assets and liabilities measured at fair value on a recurring basis by level within the fair value hierarchy as of December 31, 2021 and 2020 (in thousands):

	December 31, 2021
	Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents:
Money market funds	$	38,522	$	—	$	—	$	38,522
Total financial assets	$	38,522	$	—	$	—	$	38,522
Liability:
Contingent consideration liability	$	—	$	—	$	14,094	$	14,094
Total financial liabilities	$	—	$	—	$	14,094	$	14,094

	December 31, 2020
	Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents:
Money market funds	$	14,638	$	—	$	—	$	14,638
Total financial assets	$	14,638	$	—	$	—	$	14,638
Liability:
Derivative liabilities	$	—	$	—	$	38,007	$	38,007
Contingent consideration liability		—		—		23,667		23,667
Redeemable convertible preferred stock warrant liability		—		—		42		42
Total financial liabilities	$	—	$	—	$	61,716	$	61,716

Schedule Of Convertible Notes Derivative Liabilities Determined Using Assumptions

The convertible notes derivative liabilities were determined using the following assumptions:

	December 31,
	2020
Expected exit date	6/30/2022
Discount rate	21.0%

Schedule of Change in Fair Value of the Redeemable Convertible Preferred Stock Warrant Liability, Derivative Liabilities and Contingent Consideration Liability

The change in fair value of the redeemable convertible preferred stock warrant liability, derivative liabilities and contingent consideration liability are summarized below (in thousands)

		Redeemable convertible preferred stock warrant liability		Derivative liabilities		Contingent consideration liability
Beginning fair value, January 1, 2020	$	75	$	39,499	$	—
Recognition		—		6,848		23,842
Change in fair value		(33)		(8,340)		(175)
Ending fair value, December 31, 2020		42		38,007		23,667
Beginning fair value, January 1, 2021		42		38,007		23,667
Change in fair value		328		(38,007)		427
Payment of Development Milestone		—		—		(10,000)
Conversion into common stock warrant		(370)		—		—
Ending fair value, December 31, 2021	$	—	$	—	$	14,094