Stockholders’ Equity and Stock-Based Compensation - Warrant Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Shares of Stock under Warrants
Beginning balance (in shares)	4,356
Granted (in shares)	0
Exercised (in shares)	0
Canceled (in shares)	0
Ending balance (in shares)	4,356	4,356
Weighted- Average Exercise Price
Beginning balance (in dollars per share)	$ 5.96
Exercised (in dollars per share)	0
Cancelled (in dollars per share)	0
Ending balance (in dollars per share)	$ 5.96	$ 5.96
Weighted- Average Remaining Contractual Term
Balance	1 year 3 months 7 days	1 year 9 months 3 days
Aggregate Intrinsic Value
Beginning balance	$ 785
Exercised	0
Ending balance	$ 246	$ 785