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Stock-based Compensation (Schedule of Changes in Non-Vested Stock Options) (Details) - 12 months ended Jun. 30, 2015 - $ / shares
Total
Weighted Average Number of Shares Subject to Option  
Non-vested, beginning balance 25,975
Granted 44,050
Vested  
Forfeited or expired (725)
Non-vested, ending balance 69,300
Average Grant Date Fair Value  
Balance, beginning $ 3.777
Granted $ 4.616
Vested  
Forfeited or expired $ 3.777
Outstanding, ending $ 4.310