Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details)

v3.5.0.2
Stock-Based Compensation (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Stock-Based Compensation        
Stock-based compensation $ 1,736 $ 1,451 $ 4,582 $ 4,782
Operating expense        
Stock-Based Compensation        
Stock-based compensation 4 (12) 2 4
Selling, general and administrative        
Stock-Based Compensation        
Stock-based compensation 1,596 1,292 4,363 4,534
Research and development        
Stock-Based Compensation        
Stock-based compensation $ 136 $ 171 $ 217 $ 244