Recent Accounting Pronouncements (Narratives) (Details) - USD ($)	Mar. 31, 2017	Jun. 30, 2016
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