Stock-based Compensation (Schedule of Changes in Non-Vested Stock Options) (Details)	12 Months Ended
	Jun. 30, 2022 $ / shares shares
Share-Based Payment Arrangement [Abstract]
Non-vested, beginning balance | shares	103,450
Granted | shares	81,550
Vested | shares	(43,025)
Forfeited or expired | shares	(37,800)
Non-vested, ending balance | shares	104,175
Weighted Average Grant Date Fair Value (per Option)
Balance, beginning | $ / shares	$ 2.22
Granted | $ / shares	3.74
Vested | $ / shares	3.03
Forfeited or expired | $ / shares	2.65
Outstanding, ending | $ / shares	$ 2.92