CONSOLIDATED STATEMENTS OF CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Private Placement \| Pre-Funded Warrant
Issuance costs		$ 401
Common Stock \| Convertible Preferred Stock
Conversion ratio of series A stock into common stock			1000.00%
Common Stock \| At The Market
Issuance costs		$ 411
Common Stock \| Follow On Offering
Issuance costs	$ 5,132		$ 4,600
Series A Convertible Preferred Stock
Issuance costs			$ 400