Note 11 - Income Taxes (Details Textual) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Jun. 30, 2016 |
Jun. 30, 2015 |
|
| Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] | Earliest Tax Year [Member] | ||
| Income Tax Examination, Year under Examination | 2010 | |
| Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] | Latest Tax Year [Member] | ||
| Income Tax Examination, Year under Examination | 2015 | |
| Deferred Tax Assets, Valuation Allowance | $ 2,155 | $ 1,816 |
| Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued | 2,200 | |
| Other Tax Expense (Benefit) | (1,400) | |
| Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit | 400 | |
| Unrecognized Tax Benefits that Would Impact Effective Tax Rate | $ 300 |