Stock-based Compensation (Schedule of Changes in Non-Vested Stock Options) (Details)	12 Months Ended
	Jun. 30, 2018 $ / shares shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Non-vested, beginning balance | shares	42,900
Granted | shares	54,715
Vested | shares	(3,000)
Forfeited or expired | shares	(7,010)
Non-vested, ending balance | shares	87,605
Balance, beginning | $ / shares	$ 4.59
Granted | $ / shares	2.92
Vested | $ / shares	3.87
Forfeited or expired | $ / shares	3.64
Outstanding, ending | $ / shares	$ 3.65