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Employee Stock Puchase Plan (Schedule of Employee Stock Purchase Plan) (Details) - USD ($)
12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2014
Employee Stock Puchase Plan [Abstract]      
Non-cash stock based compensation expense $ 19,000 $ 14,075 $ 30,571
Common shares purchased 2,011 3,271 14,672
Average purchase price per share $ 8.50 $ 10.67 $ 5.74