|
Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2014
|
Dec. 31, 2013
|
|---|---|---|
| Current deferred tax assets: | ||
| Total | $ 478 | $ 563 |
| Non-current deferred tax assets: | ||
| Total | 3,402 | 3,756 |
| Valuation allowance | (3,880) | (4,319) |
| Net deferred tax assets | 0 | 0 |
| Deferred Tax Current [Member] | ||
| Current deferred tax assets: | ||
| Allowance for bad debts | 33 | 131 |
| Share-based payment expense | 145 | 152 |
| Allowance for obsolete inventory | 119 | 29 |
| Accrued compensation | 75 | 67 |
| Contribution carryover | 9 | |
| Other accruals | 106 | 175 |
| Deferred Tax Non-current [Member] | ||
| Non-current deferred tax assets: | ||
| Depreciation | 5 | (4) |
| Capital loss | 178 | 176 |
| Net operating loss | 3,170 | 3,535 |
| Credit carryover | $ 49 | $ 49 |