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Income Taxes - Reconciliation of Income Taxes (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
|
| Income Tax Disclosure [Abstract] | |||
| U.S. federal income tax at statutory rate | $ (94) | $ 185 | $ 849 |
| State taxes, net of federal benefit | (5) | (23) | 64 |
| Non-deductible expenses | (9) | (8) | (20) |
| Foreign income tax rate differential | (265) | (283) | (309) |
| Valuation allowance | 439 | 405 | (511) |
| Foreign earnings | (182) | (52) | |
| Other | (80) | (145) | (23) |
| Benefit (provision) for income taxes | $ (14) | $ (51) | $ (2) |