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Note 16 - Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Deferred tax assets: |  |
Accrued expenses | $ 931 | $ 756
Stock options, restricted stock and other | 2,908 | 2,309
Intangible assets | 748 | 429
Inventories | 154 | 220
Other assets | 666 | 625
Net operating loss | 6,605 | 6,374
Less valuation allowance | (6,900) | (6,633)
Total deferred tax assets | 5,112 | 4,080
Deferred tax liabilities: |  |
Depreciation | (21,788) | (9,528)
Goodwill | (3,486) | (1,518)
Total deferred tax liabilities | (25,274) | (11,046)
Net deferred tax liability | $ (20,162) | $ (6,966)

X
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