Net loss per share (Tables)

6 Months Ended

Jun. 30, 2016

Net loss per share [Abstract]

Schedule of Antidilutive Securities Excluded from Calculation of Earnings Per Share

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

	For the Six Months Ended
	June 30, 2016	June 30, 2015
Stock options	74	85
Warrants	1,756	179
Preferred Stock as if converted
Series A-1 Preferred Stock	-	5
Series B Preferred Stock	-	237
Series C Preferred Stock	-	185
Series D-1 Preferred Stock	-	261
Series D-2 Preferred Stock	-	97