Net loss per share

3 Months Ended

Mar. 31, 2016

Net loss per share [Abstract]

Net loss per share

4. Net Loss Per Share

The Company calculates basic net loss per share based on the weighted average number of shares outstanding, and when applicable, diluted net income per share, which is based on the weighted average number of shares and potential dilutive shares outstanding.

The following table lists shares and warrants that were excluded from the calculation of diluted earnings per share as the inclusion of shares from the assumed exercise of such options and warrants and the conversion of such preferred shares would be anti-dilutive:

	For the Three Months Ended
	March 31, 2016	March 31, 2015
Stock options	75	86
Warrants	206	184
Preferred shares as if converted
Series A-1 Preferred Stock	50	46
Series B Preferred Stock	1,069	968
Series C Preferred Stock	579	525
Series D-1 Preferred Stock	1,144	992
Series D-2 Preferred Stock	763	691