Liquidity and Going Concern Uncertainty (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Cash	$ 5,107		$ 13,094		$ 5,107	$ 13,094	$ 9,000	$ 5,277
Working capital	5,461				5,461
Net loss	$ 9,033	$ 4,539	$ 2,246	$ 3,433	13,572	5,679
Net cash used in operating activities					$ 3,911	$ 3,670