Annual report pursuant to section 13 and 15(d)

Net Revenues by Geographic Location (Detail)

v2.4.0.8
Net Revenues by Geographic Location (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Revenue, Major Customer [Line Items]      
Revenue $ 26,060 $ 4,481 $ 8,988
United States
     
Revenue, Major Customer [Line Items]      
Revenue 25,243 3,901 8,022
Canada
     
Revenue, Major Customer [Line Items]      
Revenue 574 383 600
Other
     
Revenue, Major Customer [Line Items]      
Revenue $ 243 $ 197 $ 366