Annual report pursuant to Section 13 and 15(d)

Note 11 - Income Taxes (Details Textual)

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Note 11 - Income Taxes (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Deferred Tax Assets, Valuation Allowance $ 2,485 $ 2,155
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued 2,100  
Other Tax Expense (Benefit) (1,400)  
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit 200  
Unrecognized Tax Benefits that Would Impact Effective Tax Rate $ 100  
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] | Earliest Tax Year [Member]    
Income Tax Examination, Year under Examination 2014  
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] | Latest Tax Year [Member]    
Income Tax Examination, Year under Examination 2016