Net Loss per Share Attributable to Common Stockholders

12 Months Ended

Dec. 31, 2016

Net Loss per Share Attributable to Common Stockholders

15. Net Loss per Share Attributable to Common Stockholders

As the Company had net losses for the years ended December 31, 2016, 2015 and 2014, all potential common shares were determined to be anti-dilutive. 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	)

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