Net Loss per Common Share

9 Months Ended

Sep. 30, 2017

11. Net Loss per Common Share

Since the Company was in a loss position for all periods presented, diluted net loss per common share is the same as basic net loss per common share for all periods presented as the inclusion of all potential common shares outstanding would have been anti-dilutive. Potentially dilutive securities that were not included in the diluted per common share calculations because they would be anti-dilutive were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
Options to purchase common stock		9,589,282		10,544,907		9,589,282		10,544,907
Restricted stock units		1,186,575		660,800		1,186,575		660,800
Common stock warrants		66,978		97,740		66,978		97,740
Total		10,842,835		11,303,447		10,842,835		11,303,447