Net Loss Per Share of Common Stock (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Schedule of Basic and Diluted Net Loss per Share

The following table summarizes the computation of basic and diluted net loss per share:

	Year ended December 31,
	2019			2018
	(in thousands, except share and per share data)
Net loss	$	(38,403	)	$	(17,453	)
Weighted-average shares used to compute basic and diluted net loss per share	24,705,980			7,950,284			*
Net loss per share, basic and diluted	$	(1.55	)	$	(2.20	)

* Calculated based on the 1-for-18 reverse stock split effected October 4, 2018.

Schedule of Antidilutive Securities Excluded from Computation of Diluted Net Loss per Share

	Year ended December 31,
	2019	2018
Stock options	2,718,971	2,641,198
Restricted stock units	543,041	53,436
Shares subject to repurchase	21,404	74,019
ESPP purchase rights	65,442	89,606
Common stock warrants	118,122	118,122
	3,466,980	2,976,381