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Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Income Taxes [Abstract] |  |
Allowance for doubtful accounts | $ 41 | $ 4
Inventory | 2,016 | 2,779
Accrued and prepaid expenses | 440 | 594
Domestic net operating loss carry-forward | 1,208 |
Long-term compensation plans | 351 | 380
Nonemployee director stock compensation | 554 | 403
Other stock compensation | 195 | 118
Foreign net operating loss carry-forwards and credits | 2,008 | 1,743
Federal and state credits | 927 |
Other | 30 |
Gross deferred tax assets | 7,770 | 6,021
Valuation allowance | (5,668) | (1,734)
Net deferred tax assets | 2,102 | 4,287
Depreciation | (2,141) | (2,110)
Intangible assets | (22) | (18)
Net deferred tax liability | (2,163) | (2,128)
Total net deferred tax (liability) | $ (61) |
Total net deferred tax asset |  | $ 2,159

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