Fair Value Measurement (Tables)

12 Months Ended

Dec. 31, 2022

Fair Value Disclosures [Abstract]

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

The Company’s fair value hierarchies for its financial assets and liabilities which require fair value measurement on a recurring basis are as follows:

	Total		Level 1		Level 2		Level 3
December 31, 2022
Liabilities
Warrant liabilities	$	233	$	—	$	—	$	233
December 31, 2021
Liabilities
Warrant liabilities	$	1,550	$	—	$	—	$	1,550

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation

The following table sets forth a summary of the changes in the fair value of Company’s Level 3 financial liabilities during the year ended December 31, 2022, which were measured at fair value on a recurring basis:

	Warrant Liability
Balance as of December 31, 2020	$	6,037
Initial fair value of warrants issued in connection with 2021 financing	1,936
Gain on revaluation of warrants issued in 2021, June 2020, December 2019, and May 2019 equity financings	(3,962)
Reclassification of warrant liability to equity upon exercise of warrants	(2,461)
Balance as of December 31, 2021	$	1,550
Gain on revaluation of warrants issued in 2021, June 2020, December 2019, and May 2019 equity financings	(1,317)
Balance as of December 31, 2022	$	233