Net Loss per Share - Reconciliation of Numerator and Denominator Used in Calculation of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Earnings Per Share [Abstract]
Net loss attributable to common stockholders	$ (4,362)	$ (4,497)	$ (9,544)	$ (8,183)
Weighted average number of shares of common stock	9,296	1,070	9,242	1,070
Basic and diluted net loss per share	$ (0.47)	$ (4.20)	$ (1.03)	$ (7.65)