Income Taxes (Schedule of income tax benefit (provision)) (Details) - USD ($)	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Income Taxes
Current U.S. federal income tax benefit (provision)	$ 0
Current state and local income tax benefit (provision)	11,543
Current income tax benefit (provision)	11,543
Deferred U.S. federal income tax benefit (provision)	0
Deferred state and local income tax benefit (provision)	(11,543)
Deferred income tax benefit (provision)	(11,543)
U.S. federal income tax benefit (provision)	0
State and local income tax benefit (provision)	0
Income tax benefit (provision)	$ 0	$ 0