Stock Based Compensation (Schedule of Changes in Non-Vested Stock Options) (Details)	9 Months Ended
	Mar. 31, 2019 $ / shares shares
Number of Shares Subject to Option
Non-vested at July 1, 2018 | shares	87,605
Granted | shares	55,589
Vested | shares	(36,350)
Forfeited or expired | shares	(2,305)
Non-vested at March 31, 2019 | shares	104,539
Weighted Average Grant Date Fair Value (per Option)
Non-vested at July 1, 2018 | $ / shares	$ 3.649
Granted | $ / shares	5.133
Vested | $ / shares	4.640
Forfeited or expired | $ / shares	4.570
Non-vested at March 31, 2019 | $ / shares	$ 4.073