Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity and Stock Based Compensation - Restricted Stock (Details)

v3.6.0.2
Stockholders' Equity and Stock Based Compensation - Restricted Stock (Details) - Options - $ / shares
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2016
Number of Options      
Outstanding at the beginning of the period (in shares) 50,640 285,640  
Canceled (in shares) 6,000 15,000  
Exercised (in shares) 44,640 220,000  
Outstanding at the end of the period (in shares)   50,640  
Exercisable at the end of the period (in shares) 0   0
Weighted Average Exercise Price      
Outstanding at the beginning of the period (in dollars per share) $ 12.85 $ 8.71  
Canceled (in dollars per share) 12.85 3.04  
Exercised (in dollars per share) $ 12.85 8.144  
Outstanding at the end of the period (in dollars per share)   $ 12.85  
Aggregate Intrinsic Value      
Options reserved for future issuance (in shares)     0