v2.4.0.8
Accrued Expenses - Schedule of Accrued Expenses (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Payables And Accruals [Abstract]    
Accrued product costs (including warranty) $ 1,739 $ 1,572
Income taxes payable 101 130
Other accruals 1,218 1,478
Total $ 3,058 $ 3,180