Note 21 - Leases - Supplement Balance Sheet Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Jun. 30, 2023
Lease Cost
Plant and equipment, at cost	$ 1,607		$ 1,607		$ 1,734
Interest on finance lease	2	$ 3	5	$ 6
Accumulated depreciation	(1,072)		(1,072)		(1,075)
Plant and Equipment, Net	535		535		659
Amortization of right-of-use assets	12	44	56	92
Current portion of finance leases	81		81		107
Net of current portion of finance leases	15		15		42
Total finance lease cost	14	47	61	98
Total Finance Lease Liabilities	96		96		149
Operating lease right-of-use assets	2,359		2,359		2,609
Operating lease cost	385	$ 369	754	$ 749
Current portion of operating leases	1,119		1,119		1,098
Net of current portion of operating leases	1,240		1,240		1,511
Total Operating Lease Liabilities	$ 2,359		$ 2,359		$ 2,609