Net Loss Per Share - Schedule of Basic and Diluted Net Loss per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Earnings Per Share [Abstract]
Net loss	$ (15,030)	$ (8,389)
Weighted-average number of shares outstanding used in computing net loss per share, basic and diluted	15,193,647	11,534,190
Net loss per share, basic and diluted	$ (0.99)	$ (0.73)