Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Share (Details 1)

v3.7.0.1
Net Loss Per Share (Details 1) - shares
shares in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Weighted-average anti-dilutive common shares 2,159 1,983
Employee Stock Option [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Weighted-average anti-dilutive common shares 1,913 1,667
Warrants [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Weighted-average anti-dilutive common shares 246 316