v3.3.1.900
Income Taxes - Reconciliation of Income Taxes (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Income Tax Disclosure [Abstract]      
U.S. federal income tax at statutory rate $ 422 $ (94) $ 185
State taxes, net of federal benefit 6 (5) (23)
Non-deductible expenses (10) (9) (8)
Foreign income tax rate differential (443) (265) (283)
Valuation allowance 19 439 405
Foreign earnings     (182)
Other 3 (80) (145)
Total provision for income taxes $ (3) $ (14) $ (51)