Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2022

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, 2022 and 2021 (in thousands):

	December 31, 2022
	Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents:
Money market funds	$	3,149	$	—	$	—	$	3,149
Total financial assets	$	3,149	$	—	$	—	$	3,149

	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

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, December 31, 2020	$	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
Payment		-		-		(5,000)
Change in fair value		-		-		(9,094)
Ending fair value, December 31, 2022	$	-	$	-	$	-