Quarterly report pursuant to Section 13 or 15(d)

Net Loss per Share (Details Textual)

v3.4.0.3
Net Loss per Share (Details Textual) - shares
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 8,992,428 6,531,106
Warrant [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 7,858,899 7,974,794