Note 20 - Leases - Supplement Balance Sheet Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022	Jun. 30, 2022
Plant and equipment, at cost	$ 1,749		$ 1,749		$ 1,727
Accumulated depreciation	(1,214)		(1,214)		(1,179)
Plant and Equipment, Net	535		535		548
Current portion of finance leases	103		103		118
Net of current portion of finance leases	43		43		119
Total Finance Lease Liabilities	146		146		237
Operating lease right-of-use assets	3,059		3,059		3,152
Current portion of operating leases	1,361		1,361		1,218
Net of current portion of operating leases	1,698		1,698		1,934
Total Operating Lease Liabilities	3,059		3,059		$ 3,152
Lease Cost
Interest on finance lease	2	$ 9	8	$ 20
Amortization of right-of-use assets	46	60	138	150
Total finance lease cost	48	69	146	170
Operating Lease Costs	$ 384	$ 331	$ 1,133	$ 801