Net Loss per Share (Tables)

3 Months Ended

Mar. 31, 2018

Net Loss per Share

Schedule of calculation of basic and diluted net loss per share

	Three Months Ended
	March 31,
	2018		2017(*)
Numerator:
Net loss attributable to common stockholders, basic and diluted	$	(18,094)	$	(2,593)
Denominator (basic and diluted):
Weighted average shares of common stock outstanding, basic and diluted		18,789,226		16,238,761
Net loss per share attributable to common stockholders, basic and diluted	$	(0.96)	$	(0.16)

*As adjusted. See Note 3.

Schedule of shares excluded from the calculation of diluted net loss per share attributable to common stockholders

	Three Months Ended
	March 31,
	2018	2017
Stock options to purchase common stock	2,809,641	3,219,862
Restricted stock	1,144,709	727,858
Common stock warrants	—	32,216
	3,954,350	3,979,936