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Note 20 - Income Taxes - Summary of Reconciliation of Income Tax Expense (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Federal tax expense at the statutory rate $ (779) $ (4,004)
Current year permanent differences 82 239
State income taxes, net of federal tax impact (118) (262)
Federal tax reform – deferred rate change 0 19,395
State deferred rate change 0 239
Foreign repatriation, net of foreign tax credits 0 (544)
Effect of tax rates of foreign subsidiaries 154 203
Currency translation effect on temporary differences 189 (372)
Change in valuation allowance 358 (15,230)
State NOL carryforwards, stock compensation and other items (91) (282)
Income tax (benefit) expense, net $ (205) $ (618)