Investment in equity method investment (Details - Rollforward) - USD ($)	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Schedule of Investments [Line Items]
Balance at beginning of period	$ 1,149,000
Contributions to equity method investment	(0)	$ 1,223,000
Income (loss) from equity method investment	(1,148,000)	(48,000)
Distribution from equity method investment	0	(26,000)
Balance at end of period	1,000	1,149,000
Equity Method Investments [Member]
Schedule of Investments [Line Items]
Balance at beginning of period	1,149,000	0
Contributions to equity method investment	1,223,000
Income (loss) from equity method investment	(36,000)	(48,000)
Distribution from equity method investment	0	(26,000)
Impairment of Investments	(1,112,000)
Balance at end of period	$ 1,000	$ 1,149,000