Net Loss Per Share - Schedule of Basic and Diluted Net Loss per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Earnings Per Share [Abstract]
Net loss	$ (63,126)	$ (58,789)
Weighted-average number of shares used in computing net loss per share, basic and diluted	17,167,999	13,516,844
Net loss per share, basic and diluted	$ (3.68)	$ (4.35)