Intangible assets (Details) - USD ($)	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2022
Finite-Lived Intangible Assets, Net	$ 69,986		$ 82,750
Finite-lived tangible assets, accumulated impairment	0		0
Licensing Agreements [Member]
Amortized Intangible Assets Licenses	(136,169)		(116,250)
Finite-Lived Intangible Assets, Net	69,986		82,750
Finite-Lived Intangible Asset, Expected Amortization, after Year Five	7,958
Finite-Lived Intangible Assets, Gross	206,155		199,000
Finite-lived intangible assets, net of impairment	206,155		$ 199,000
Finite-Lived Intangible Asset, Expected Amortization, Year Two	$ 20,000
Licensing Agreements [Member] | Scenario, Forecast
Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Two		$ 20,676
Licensing Agreements [Member] | Maximum [Member]
Finite-Lived Intangible Assets, Amortization Method	10