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Income Taxes - Components of Deferred Federal Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Deferred tax assets: |  |
Net operating loss | $ 7,400 |
Valuation allowance | (5,600) | (6,400)
Current |  |
Deferred tax assets: |  |
Accrued liabilities | 413 | 159
Deferred compensation |  |
Allowance for doubtful accounts | 120 | 101
Inventory | 270 | 388
Long-term contracts | 149 | 80
Net operating loss |  |
Intangible assets |  |
Foreign tax credit carry forward |  |
Valuation allowance |  | (728)
Deferred tax assets | 952 |
Deferred tax liabilities: |  |
Equity in foreign investments |  |
Property and equipment |  |
Intangible assets |  |
Translation gain |  |
Deferred tax liabilities |  |
Net deferred tax assets (liabilities) | 952 |
Noncurrent |  |
Deferred tax assets: |  |
Accrued liabilities |  |
Deferred compensation | 686 | 363
Allowance for doubtful accounts |  |
Inventory |  |
Long-term contracts |  |
Net operating loss | 2,909 | 4,205
Intangible assets | 86 | 111
Foreign tax credit carry forward | 1,153 | 1,017
Valuation allowance | (5,385) | (5,750)
Deferred tax assets | (551) | (54)
Deferred tax liabilities: |  |
Equity in foreign investments | (3,233) | (2,756)
Property and equipment | (147) | 61
Intangible assets | (9) | (9)
Translation gain | (553) | (411)
Deferred tax liabilities | (3,942) | (3,115)
Net deferred tax assets (liabilities) | $ (4,493) | $ (3,169)

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