Note 5 - Leases (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Jun. 30, 2022
Lease, Cost, Total	$ 33,000	$ 49,000	$ 56,000	$ 88,000
Operating Lease, Lease Income, Total	31,000	29,000	65,000	55,000
Other Assets [Member]
Lessor, Cost, Contracts Asset	6,000		6,000		$ 9,000
Continuing Operations [Member]
Lease, Cost, Total	$ 32,000	$ 49,000	$ 54,000	$ 88,000