Stock Based Compensation (Schedule of Changes in Non-Vested Stock Options) (Details)	6 Months Ended
	Dec. 31, 2016 $ / shares shares
Weighted Number of Shares Subject to Option
Non-vested at July 1, 2016 | shares	45,800
Granted | shares	41,150
Vested | shares
Forfeited or expired | shares	(1,000)
Non-vested at December 31, 2016 | shares	85,950
Average Grant Date Fair Value
Non-vested at July 1, 2016 | $ / shares	$ 4.564
Granted | $ / shares	4.640
Vested | $ / shares
Forfeited or expired | $ / shares	4.710
Non-vested at December 31, 2016 | $ / shares	$ 4.599