Net Loss Per Share - Summary of Computation 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, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Earnings Per Share [Abstract]
Net loss attributable to common stockholders	$ (5,603)	$ (5,449)	$ (10,696)	$ (8,319)
Weighted-average shares used to compute basic and diluted net loss per share	15,371	10,000	15,191	10,000
Net loss attributable to common stockholders per share, basic and diluted	$ (0.36)	$ (0.54)	$ (0.70)	$ (0.83)