Quarterly report pursuant to Section 13 or 15(d)

Income (Loss) Per Share - Anti-dilutive common stock equivalents (Details)

v3.7.0.1
Income (Loss) Per Share - Anti-dilutive common stock equivalents (Details) - shares
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Anti-dilutive common stock equivalents    
Total anti-dilutive common stock equivalents 1,381,859 609,311
Restricted Stock Awards | Service-based conditions    
Anti-dilutive common stock equivalents    
Total anti-dilutive common stock equivalents 401,623 99,734
Restricted Stock Awards | Market-based conditions    
Anti-dilutive common stock equivalents    
Total anti-dilutive common stock equivalents 205,316 25,293
Stock Options    
Anti-dilutive common stock equivalents    
Total anti-dilutive common stock equivalents 774,920 484,284