Property and Equipment (Details) - USD ($)	Jun. 30, 2023	Jun. 30, 2022
Property, Plant and Equipment [Line Items]
Property and Equipment	$ 524,000	$ 524,000
Less: Accumulated depreciation and amortization	(523,000)	(520,000)
Property and equipment, net	1,000	4,000
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment	2,000	2,000
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment	27,000	27,000
Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment	2,000	2,000
Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment	306,000	306,000
Other Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment	$ 187,000	$ 187,000