Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs (Details)

v3.4.0.3
Stock-Based Compensation - Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Total stock-based compensation expense $ 90 $ 660
Cost Of Revenue [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Total stock-based compensation expense 4 29
Research and Development [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Total stock-based compensation expense 29 122
General and Administrative [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Total stock-based compensation expense 40 328
Selling and Marketing [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Total stock-based compensation expense 15 142
Capitalized Into Inventory [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Total stock-based compensation expense $ 2 $ 39