Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2021

Fair Value Measurements

Schedule of assets and liabilities measured at fair value on a recurring basis

The following fair value hierarchy table presents information about the Company’s financial assets and liabilities measured at fair value on a recurring basis as of December 31, 2021 and 2020:

	Fair Value Measurement as of December 31, 2021
	(in thousands)
	Level 1		Level 2		Level 3		Total
Assets:
Restricted cash	$	50	$	—	$	—	$	50
Total	$	50	$	—	$	—	$	50
Liabilities:
Warrant liability	$	—	$	—	$	2	$	2
Total	$	—	$	—	$	2	$	2

	Fair Value Measurement as of December 31, 2020
	(in thousands)
	Level 1		Level 2		Level 3		Total
Assets:
Restricted cash	$	50	$	—	$	—	$	50
Total	$	50	$	—	$	—	$	50
Liabilities:
Warrant liability	$	—	$	—	$	17	$	17
Total	$	—	$	—	$	17	$	17