Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Share (Details)

v3.7.0.1
Net Loss Per Share (Details) - shares
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Common share equivalents for securities that were anti-dilutive and therefore excluded from the computation of diluted earnings per share        
Anti-dilutive securities excluded from computation of diluted earnings per share (in shares) 7,571,639 7,918,989 7,571,639 7,918,989
Stock options        
Common share equivalents for securities that were anti-dilutive and therefore excluded from the computation of diluted earnings per share        
Anti-dilutive securities excluded from computation of diluted earnings per share (in shares) 2,804,420 3,383,899 2,804,420 3,383,899
Unvested restricted stock units and awards        
Common share equivalents for securities that were anti-dilutive and therefore excluded from the computation of diluted earnings per share        
Anti-dilutive securities excluded from computation of diluted earnings per share (in shares) 2,023,898 1,791,769 2,023,898 1,791,769
Convertible Notes        
Common share equivalents for securities that were anti-dilutive and therefore excluded from the computation of diluted earnings per share        
Anti-dilutive securities excluded from computation of diluted earnings per share (in shares) 2,743,321 2,743,321 2,743,321 2,743,321