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Note 9 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Deferred Tax Liabilities: |  |
Property, Plant and Equipment |  |
Intangible Assets | 5,471 | 4,631
Total Deferred Tax Liabilities | 5,471 | 4,631
Deferred Tax Assets: |  |
Property, Plant and Equipment | 77 | 288
Net Operating Loss Carry-Forwards | 27,127 | 27,283
Tax Credit Carry-Forwards | 1,704 | 1,596
Intangible Assets | 2,923 | 3,391
Accrued Expenses, Reserves and Other | 1,527 | 2,127
Total Deferred Tax Assets | 33,358 | 34,685
Valuation Allowance for Deferred Tax Assets | (33,331) | (34,593)
Net Deferred Tax Assets | 27 | 92
Net Deferred Tax Liabilities | $ 5,444 | $ 4,539

X
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