Net Loss per Share (Tables)

12 Months Ended

Dec. 31, 2019

Computation of Basic and Diluted Net Loss Per Share

The following table sets forth the computation of basic and diluted net loss per share (in thousands, except share and per share data):

	Year Ended December 31,
	2019			2018
Numerator:
Net loss	$	(84,710	)	$	(49,594	)
Denominator:
Weighted-average common shares outstanding		45,385,489			36,357,336
Less: weighted-average common shares subject to repurchase		(1,559,498	)		(1,739,099	)
Weighted-average common shares used to compute basic and diluted net loss per share		43,825,991			34,618,237
Net loss per share, basic and diluted	$	(1.93	)	$	(1.43	)

Summary of Outstanding Potentially Dilutive Securities Excluded from Computation of Diluted Net Loss per Share

The following outstanding potentially dilutive securities were excluded from the computation of diluted net loss per share for the periods presented because including them would have been antidilutive:

	At December 31,
	2019		2018
Common stock options issued and outstanding		4,738,004		1,458,079
Unvested early exercised common stock options		455,158		927,123
Unvested restricted stock issued as part of collaboration agreement		1,257,651		-
Unvested restricted common stock		-		289,352
Total		6,450,813		2,674,554