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Recent Accounting Pronouncements (Narratives) (Details) - USD ($) | Mar. 31, 2017 | Jun. 30, 2016
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New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |
Current portion of long-term debt | $ 11,149,000 | $ 17,628,000
Long-term debt, less current portion | 83,775,000 | $ 37,446,000
Accounting Standards Update 2015-03 |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |
Current portion of long-term debt | 200,000 |
Long-term debt, less current portion | 200,000 |
New Accounting Pronouncement, Early Adoption, Effect |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |
Cumulative net impact to accumulated deficit | 0 |
Federal | New Accounting Pronouncement, Early Adoption, Effect |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |
Deferred tax assets for operating losses | 13,500,000 |
State | New Accounting Pronouncement, Early Adoption, Effect |  |
New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |  |
Deferred tax assets for operating losses | $ 900,000 |

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