XML 51 R34.htm IDEA: XBRL DOCUMENT v2.4.0.8
Share-Based Compensation - Summary of Share-Based Compensation Awards (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Amounts for share-based compensation awards $ 477 $ 949
Cost of net revenues [Member]
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Amounts for share-based compensation awards (30) (24)
Research and development [Member]
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Amounts for share-based compensation awards 47 291
Sales and marketing [Member]
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Amounts for share-based compensation awards 79 204
General and administrative [Member]
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Amounts for share-based compensation awards $ 381 $ 478