Condensed Consolidated Statements of Convertible Preferred Stock and Stockholders' Equity (Deficit) (Parenthetical) (Unaudited) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2020
Issuance of preferred stock tranche liability		$ 1,050
Series A Convertible Preferred Stock
Issuance of convertible preferred stock, offering costs	$ 10	$ 440