Investment in equity method investment (Details - Ameredev) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Jun. 30, 2022
Schedule of Equity Method Investments [Line Items]
Property, Plant and Equipment, Net	$ 3,000		$ 3,000		$ 4,000
Assets	1,671,000		1,671,000		1,871,000
Liabilities and Equity	1,671,000		1,671,000		$ 1,871,000
Operating expenses	332,000	$ 548,000	598,000	$ 854,000
Ameredev [Member]
Schedule of Equity Method Investments [Line Items]
Cash	1,000		1,000
Accounts Receivable	23,000		23,000
Property, Plant and Equipment, Net	1,190,000		1,190,000
Assets	1,214,000		1,214,000
Partners' Capital	1,214,000		1,214,000
Liabilities and Equity	$ 1,214,000		1,214,000
Revenue From Joint Venture			24,000
Usage Fees			(62,000)
Operating expenses			(57,000)
Income Loss From Joint Venture			$ (95,000)