Stock-based Compensation (Schedule of Changes in Non-Vested Stock Options) (Details)	12 Months Ended
	Jun. 30, 2016 $ / shares shares
Weighted Average Number of Shares Subject to Option
Non-vested, beginning balance | shares	69,300
Granted | shares	3,000
Vested | shares	(25,250)
Forfeited or expired | shares	(1,250)
Non-vested, ending balance | shares	45,800
Average Grant Date Fair Value
Balance, beginning | $ / shares	$ 4.310
Granted | $ / shares	3.866
Vested | $ / shares	3.777
Forfeited or expired | $ / shares	4.710
Outstanding, ending | $ / shares	$ 4.564