Annual report pursuant to Section 13 and 15(d)

Stock Options, Common Stock and Warrants - Restricted Stock (Details)

v3.3.1.900
Stock Options, Common Stock and Warrants - Restricted Stock (Details) - Restricted stock units - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares issued (in shares)   77,687
Percent of stock options vesting on the anniversary of commencement 25.00%  
Units [Abstract]    
Beginning Balance (in shares) 59,000  
Granted (in shares) 430,000  
Vested (in shares) (49,000)  
Forfeited (in shares) (32,000)  
Ending Balance (in shares) 408,000 59,000
Vested and expected to vest (in shares) 308,000  
Weighted Average Exercise Price (in dollars per share):    
Beginning Balance (in dollars per share) $ 12.90  
Granted (in dollars per share) 12.74  
Vested (in dollars per share) 12.90  
Forfeited (in dollars per share) 13.21  
Ending Balance (in dollars per share) 12.71 $ 12.90
Vested and expected to vest (in dollars per share) $ 12.73  
Aggregate Intrinsic Value    
Balance $ 4,026  
Vested and expected to vest $ 3,042  
Board of Directors    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock options vesting term 13 months  
Units [Abstract]    
Granted (in shares) 29,000  
Employees Excluding Board Of Directors [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock option term 4 years  
Units [Abstract]    
Granted (in shares) 401,000