XML 27 R34.htm IDEA: XBRL DOCUMENT v2.4.0.8
Share-Based Compensation - Summary of Payment for Share-Based Compensation Awards (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Amounts for share-based compensation awards $ 940 $ 1,823 $ 1,889 $ 3,657
Cost of net revenues [Member]
       
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Amounts for share-based compensation awards 80 182 56 376
Research and development [Member]
       
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Amounts for share-based compensation awards 288 693 579 1,388
Sales and marketing [Member]
       
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Amounts for share-based compensation awards 199 371 403 733
General and administrative [Member]
       
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Amounts for share-based compensation awards $ 373 $ 577 $ 851 $ 1,160