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NOTE 13 - INCOME TAXES (Details 3) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Deferred income tax assets: |  |
Allowance for doubtful accounts | $ 11 | $ 17
Inventory and product return reserves | 406 | 632
Compensation accruals | 1,233 | 1,726
Accrued liabilities | 236 | 524
Book-over-tax depreciation and amortization | 33 | 93
Foreign net operating loss carryforwards | 133 | 550
U.S. net operating loss carryforwards | 2,761 | 6,419
U.S. credit carryforwards | 2,017 | 1,287
Deferred Tax Assets Gross | 6,830 | 11,248
Valuation Allowance | (6,830) | (11,248)
Total Deferred Income Tax Assets | $ 0 | $ 0

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