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Income Taxes - Components of Deferred Federal Income Taxes (Detail) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Deferred tax assets: |  |
Accrued liabilities | $ 15 | $ 22
Deferred compensation | 1,113 | 936
Allowance for doubtful accounts | 101 | 73
Inventory | 83 | 73
Net operating loss | 6,528 | 4,137
Property and equipment | 143 | 123
Foreign tax credit carry forward | 3,297 | 3,226
Deferred tax assets | 11,280 | 8,590
Deferred tax liabilities: |  |
Valuation allowance | (11,280) | (8,590)
Equity in foreign investments | (2,824) | (2,755)
Translation gain |  | (309)
Deferred tax liabilities | (14,104) | (11,654)
Net deferred tax assets (liabilities) | $ (2,824) | $ (3,064)

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