Stock-based Compensation (Schedule of Changes in Non-Vested Stock Options) (Details)	12 Months Ended
	Jun. 30, 2020 $ / shares shares
Share-based Payment Arrangement [Abstract]
Non-vested, beginning balance | shares	104,214
Granted | shares	54,025
Vested | shares	(45,920)
Forfeited or expired | shares	(15,127)
Non-vested, ending balance | shares	97,192
Balance, beginning | $ / shares	$ 4.08
Granted | $ / shares	3.03
Vested | $ / shares	2.93
Forfeited or expired | $ / shares	4.11
Outstanding, ending | $ / shares	$ 4.03