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Note 12 - Income Taxes - Provision for Income Taxes (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Federal | $ 577 | $ (593) | $ (3,386)
State | (66) | 63 | (344)
Foreign | (682) | (37) |
Total current | (171) | (567) | (3,730)
Federal | 1,497 | (633) | (220)
State | 480 | (17) | (10)
Foreign | 748 | 115 | 470
Total | 2,725 | (535) | 240
Change in valuation allowance | (833) | (332) | (285)
Total deferred | 1,877 | (439) | 4
Tax benefit (provision) | $ 1,721 | $ (1,434) | $ (3,775)

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