Note 6 - Leases (Details Textual) - USD ($)	Dec. 31, 2024	Jun. 30, 2024
Finance Lease, Liability		$ 0
Operating Lease, Right-of-Use Asset	$ 1,178,000	829,000
Operating Lease, Liability	$ 1,288,000	1,289,000
Office Space in Berwyn, Pennsylvania [Member]
Operating Lease, Undiscounted Minimum Monthly Payment		13,000
Operating Lease, Right-of-Use Asset		500,000
Operating Lease, Liability		$ 500,000
Lessee, Operating Lease, Discount Rate		12.30%