v2.4.0.8
Accrued Expenses - Schedule of Accrued Expenses (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Payables and Accruals [Abstract]    
Accrued product costs (including warranty) $ 1,411 $ 1,572
Income taxes payable 104 130
Other accruals 1,254 1,478
Total $ 2,769 $ 3,180