Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2022

Fair Value Measurements

Schedule of assets measured on a recurring basis

	June 30, 2022
	Level 1		Level 2		Level 3		Total
	(In thousands)
Assets:
Cash and cash equivalents:
Money market accounts	$	—	$	—	$	—	$	—
Total assets measured at fair value	$	—	$	—	$	—	$	—
Liabilities:
Warrant obligation	$	—	$	—	$	—	$	—
Other noncurrent liabilities:
Warrant obligation		—		—		—		—
Total liabilities measured at fair value	$	—	$	—	$	—	$	—

	December 31, 2021
	Level 1		Level 2		Level 3		Total
	(In thousands)
Assets:
Cash and cash equivalents:
Money market accounts	$	2,635	$	—	$	—	$	2,635
Total assets measured at fair value	$	2,635	$	—	$	—	$	2,635
Liabilities:
Warrant obligation	$	—	$	—	$	8,001	$	8,001
Other noncurrent liabilities:
Warrant obligation		—		—		1,588		1,588
Total liabilities measured at fair value	$	—	$	—	$	9,589	$	9,589

Rollforward of fair value of Level 3 instruments

	Balance as of December 31, 2021		Loss (gain) on changes in stock price		Loss (gain) on changes in estimated common stock on a fully-diluted basis		Exercise of warrants		Derecognition		Balance as of June 30, 2022
		(In thousands)
Warrant obligation	$	9,589	$	(1,971)	$	153	$	(5,050)	$	(2,721)	$	-