Consolidated Statements of Stockholders' Equity (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Consolidated Statement of Stockholders' Equity [Abstract]
Issuance of common stock and warrants in connection with rights offering, exercise price per unit		$ 7.01
Issuance of common stock, issuance costs	$ 568	$ 565
Issuance of common stock as part of debt extinguishment and private investment, issuance costs	$ 106