10. Net Loss Per Common Share

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


	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2018		2017		2018		2017
Numerator:
Net loss	$	(5,629)	$	(5,446)	$	(14,274)	$	(16,719)
Denominator:
Weighted-average common shares outstanding		16,970,266		12,700,802		16,185,122		12,595,015
Less: weighted-average unvested common shares subjected to repurchase		(25,606)		(140,990)		(54,240)		(169,625)
Weighted-average common shares outstanding used to calculate net loss per common share, basic and diluted		16,944,660		12,559,812		16,130,882		12,425,390
Net loss per common share, basic and diluted	$	(0.33)	$	(0.43)	$	(0.88)	$	(1.35)

The following outstanding shares of potentially dilutive securities have been excluded from diluted net loss per common share for the periods presented, because their inclusion would be anti-dilutive:


	Three Months Ended		Nine Months Ended
	September 30,		September 30,
	2018	2017	2018	2017
Options to purchase common stock	1,494,534	1,595,415	1,494,534	1,595,415
Restricted stock units	94,480	10,000	94,480	10,000
Common stock subject to repurchase	9,615	125,000	9,615	125,000
Common stock warrants	27,836	27,690	27,836	27,690
Total	1,626,465	1,758,105	1,626,465	1,758,105