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Note 8 - Income Taxes (Details) - Deferred Income Taxes (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Deferred tax liabilities: |  |
Property, plant and equipment | $ 232 | $ 450
Intangible assets and other | 4,242 | 4,272
Other | 94 |
Total deferred tax liabilities | 4,568 | 4,722
Deferred tax assets: |  |
Net operating loss carryforwards | 18,901 | 18,505
Intangible assets | 4,265 | 4,664
Accrued expenses, reserves and other | 3,373 | 3,764
Total deferred tax assets | 26,539 | 26,933
Valuation allowance for deferred tax assets | (26,131) | (26,251)
Net deferred tax assets | 408 | 682
Net deferred tax liability | $ (4,160) | $ (4,040)

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