Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Earnings per Share) (Details)

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Summary of Significant Accounting Policies (Earnings per Share) (Details) - shares
3 Months Ended 6 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Accounting Policies [Abstract]        
Basic weighted average shares outstanding 7,023,300 6,973,500 7,027,400 6,973,500
Effect of common stock equivalents — stock issuable under outstanding equity awards 86,000 145,000 86,000 116,000
Diluted weighted average shares outstanding 7,108,900 7,119,000 7,112,800 7,089,700