Net Loss per Common Share (Tables)

3 Months Ended

Mar. 31, 2016

Basic weighted average common shares outstanding, and the potentially dilutive securities excluded from loss per share computations because they are anti-dilutive, are as follows as of March 31, 2016 and 2015, respectively:

	Three Month Period Ended March 31,
	2016		2015
Basic and diluted weighted average common stock shares outstanding		12,457,858		12,100,588
Potentially dilutive securities excluded from loss per share computations:
Common stock options		2,451,570		1,368,528
Common stock purchase warrants		7,195,997		7,428,141
Restricted stock unvested		150,000		—