Net Loss per Share (Tables)

3 Months Ended

Mar. 31, 2020

Net (Loss) Income per Share

Schedule of calculation of basic and diluted net (loss) income per share

	Three Months Ended
	March 31,
	2020		2019
Numerator (basic and diluted):
Net loss	$	(14,437)	$	(10,979)
Denominator (basic and diluted):
Weighted average shares of common stock outstanding, basic and diluted		21,374,897		20,384,557
Net loss per share, basic and diluted	$	(0.68)	$	(0.54)

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

	March 31,
	2020	2019
Stock options to purchase common stock	2,627,493	3,041,855
Unvested restricted stock	1,314,635	1,531,785
Common stock warrants	4,646,393	4,646,393
Contingently issuable shares	63,320	20,000
	8,651,841	9,240,033