Intangible Assets, Net and Goodwill (Schedule of identifiable intangible assets) (Details) - USD ($)	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, beginning	$ 7,705,000	$ 7,705,000
Additions	0	0
Disposals	0	0
Impairment	$ (3,190,600)
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Nonoperating Expense
Gross carrying amount, ending	$ 4,514,400	7,705,000
Accumulated Amortization, beginning	4,705,025	4,086,725
Additions	618,300	618,300
Disposals	0	0
Impairment	$ (2,240,307)
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Nonoperating Expense
Accumulated Amortization, ending	$ 3,083,018	4,705,025
Net book value	1,431,382	2,999,975
Trade name - indefinite life [Member]
Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, beginning	1,084,000	1,084,000
Additions	0	0
Disposals	0	0
Impairment	(526,000)
Gross carrying amount, ending	558,000	1,084,000
Accumulated Amortization, beginning	0	0
Additions	0	0
Disposals	0	0
Impairment	0
Accumulated Amortization, ending	0	0
Net book value	558,000	1,084,000
Non-compete covenant [Member]
Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, beginning	438,000	438,000
Additions	0	0
Disposals	0	0
Impairment	(363,300)
Gross carrying amount, ending	74,700	438,000
Accumulated Amortization, beginning	438,000	438,000
Additions	0	0
Disposals	0	0
Impairment	(363,300)
Accumulated Amortization, ending	74,700	438,000
Net book value	0	0
Customer relationships [Member]
Indefinite-Lived Intangible Assets [Line Items]
Gross carrying amount, beginning	6,183,000	6,183,000
Additions	0	0
Disposals	0	0
Impairment	(2,301,300)
Gross carrying amount, ending	3,881,700	6,183,000
Accumulated Amortization, beginning	4,267,025	3,648,725
Additions	618,300	618,300
Disposals	0	0
Impairment	(1,877,007)
Accumulated Amortization, ending	3,008,318	4,267,025
Net book value	$ 873,382	$ 1,915,975