NET LOSS PER COMMON SHARE

3 Months Ended

Mar. 31, 2017

NET LOSS PER COMMON SHARE

NET LOSS PER COMMON SHARE

3. Loss per Common Share

The following table presents the computations of basic and dilutive net loss per share:

	Three months ended March 31,
		2017		2016
Loss attributable to common shareholders — basic and diluted	$	(23,078)	$	(15,653)
Weighted-average number of common shares used in net loss per share - basic and diluted		29,350,268		23,130,153
Loss per share - basic and diluted	$	(0.79)	$	(0.68)

The following potentially dilutive securities, which represent all outstanding potentially dilutive securities, were excluded from the calculation of diluted net loss per share due to their anti-dilutive effect (in common stock equivalent shares):

	Three months ended March 31,
	2017	2016
Outstanding stock options	2,835,630	1,950,276
Warrants	2,445	2,445
Unvested restricted stock	69,870	67,606
Restricted stock units	156,361	41,739