Annual report pursuant to Section 13 and 15(d)

Summary of Net Revenue by Geographic Location (Detail)

v2.4.0.8
Summary of Net Revenue by Geographic Location (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Revenue From External Customers By Geographic Area [Line Items]      
Net revenue $ 56,430 $ 57,356 $ 48,858
United States
     
Revenue From External Customers By Geographic Area [Line Items]      
Net revenue 35,653 40,524 32,782
International
     
Revenue From External Customers By Geographic Area [Line Items]      
Net revenue $ 20,777 $ 16,832 $ 16,076