Net Loss per Share Attributable to Common Stockholders (Tables)

12 Months Ended

Dec. 31, 2016

Schedule of Basic and Diluted Net Loss per Share Attributable to Common Stockholders

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


	Year Ended December 31,
	2016			2015			2014
Numerator:
Net loss	$	(37,177	)	$	(14,858	)	$	(11,072	)
Accretion of redeemable convertible preferred stock		(558	)		(75	)		(146	)

Net loss attributable to common stockholders	$	(37,735	)	$	(14,933	)	$	(11,218	)

Denominator:
Weighted-average shares used to compute net loss per common share, basic and diluted		6,501,796			251,717			227,197

Net loss per share attributable to common stockholders, basic and diluted	$	(5.80	)	$	(59.32	)	$	(49.38	)

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

The following outstanding shares of potentially dilutive securities have been excluded from diluted net loss per share calculations for the years ended December 31, 2016, 2015 and 2014, because their inclusion would be anti-dilutive:

	Year Ended December 31,
	2016		2015		2014
Redeemable convertible preferred stock on an as-converted basis		—		5,323,103		2,899,134
Options to purchase common stock		2,393,829		833,178		476,006
Warrants to purchase redeemable convertible preferred stock on an as-converted basis		—		275,861		275,861

Total		2,393,829		6,432,142		3,651,001