Fair Value Disclosures (Tables)

9 Months Ended

Sep. 30, 2021

Fair Value Disclosures [Abstract]

Summary of Financial Instruments Measured At Fair Value On a Recurring Basis

The following table represents the fair value of the financial instruments measured at fair value on a recurring basis:

	As of September 30, 2021
	Level 1		Level 2		Level 3		Total
Assets
Cash and cash equivalents*	$	5,764	$	—	$	—	$	5,764
Total assets measured at fair value	$	5,764	$	—	$	—	$	5,764
Liabilities
Derivative liability	$	—	$	—	$	—	$	—
Warrant liability		—		—		—		—
Acquisition related liabilities		—		—		24,886		24,886
Total liabilities measured at fair value	$	—	$	—	$	24,886	$	24,886

	As of December 31, 2020
Assets	Level 1		Level 2		Level 3		Total
Cash and cash equivalents*	$	12,257	$	—	$	—	$	12,257
Total assets measured at fair value	$	12,257	$	—	$	—	$	12,257
Liabilities
Derivative liability	$	—	$	—	$	38,400	$	38,400
Warrant liability		—		—		19,700		19,700
Acquisition related liabilities		—		—		23,155		23,155
Total liabilities measured at fair value	$	—	$	—	$	81,255	$	81,255

* Includes cash invested by the Company in certain money market accounts with a financial institution.

Summary of Reconciliations of Changes In The Fair Value of The Liabilities

The following table reconciles the changes in the fair value of the liabilities categorized within Level 3 of the fair value hierarchy for the nine months ended September 30, 2021 and year ended December 31, 2020:

	Warrant liability		Acquisition related liabilities		Derivative liability
Balance as of January 1, 2021	$	19,700	$	23,155	$	38,400
Additions, net of payments		—		1,744		—
Change in fair value		4,400		(13)		600
Extinguishment of the warrant and derivative liabilities		(24,100)		—		(39,000)
Balance as of September 30, 2021	$	—	$	24,886	$	—