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Note 20 - Income Taxes - Summary of Reconciliation of Income Tax Expense (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Federal tax expense at the statutory rate $ 2,220 $ (8,829)
Current year permanent differences 598 254
State income taxes, net of federal tax impact 528 (613)
Foreign repatriation, net of foreign tax credits 165 (3,394)
Effect of tax rates of foreign subsidiaries (51) 323
Currency translation effect on temporary differences 626 (217)
Change in valuation allowance (6,256) 11,453
State NOL carryforwards, stock compensation and other items 2,471 3,015
$ 301 $ 1,992