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Note 8 - Income Taxes (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Income Tax Expense (Benefit) $ 338 $ 71 $ 294 $ 197
Tax Adjustments, Settlements, and Unusual Provisions 250   250  
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability $ 263   $ 263