Stock Options (Nonvested Option Activity) (Details) - $ / shares	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Stock Options [Abstract]
Non-vested (in shares)	1,460,000	1,313,166
Granted (in shares)		615,000
Vested (in shares)	(515,666)	(468,166)
Forfeited (in shares)	(150,000)
Non-vested (in shares)	794,334	1,460,000
Non-vested, weighted average grant date fair value (in dollars per share)	$ 1.23	$ 1.26
Granted, weighted average grant date fair value (in dollars per share)		1.12
Vested, weighted average grant date fair value (in dollars per share)	1.20	1.17
Forfeited, weighted average grant date fair value (in dollars per share)	1.38
Non-vested, weighted average grant date fair value (in dollars per share)	$ 1.22	$ 1.23