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Income Taxes (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2015
Operating Loss Carryforwards [Line Items] |  |  |
Increase (Decrease) in deferred tax asset valuation allowance | $ 3,700 |  |
Unrecognized tax benefits | 446 | $ 446 | $ 399
States Tax Authority [Member] |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Net operating loss carry forward | $ 2,146 |  |
Operating loss carryforward, expiration year | 2026 |  |
Tax credit carryforward | $ 721 |  |
Federal Tax Authority [Member] |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Tax credit carryforward | $ 1,111 |  |
Tax credit carryforward, expiration year | 2027 |  |

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