Note 13 - Leases - Operating Lease 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
Operating lease cost	$ 884	$ 868	$ 2,661	$ 2,617
Total operating right-of-use assets	6,770		6,770		$ 8,664
Buildings under finance leases	2,033		2,033		2,033
Fixed payments - operating cash flows			2,754	2,669
Liability reduction - operating cash flows			2,451	2,271
Long-term operating lease liability	6,115		6,115		8,240
Accumulated depreciation	(867)		(867)		(634)
Amortization of right of use assets	74	74	221	221
Interest - operating cash flows			51	61
Total operating lease liabilities	7,405		7,405		9,514
Total finance lease assets, net	$ 1,196		1,196		$ 1,410
Repayments of principal portion - financing cash flows			$ 192	196
Weighted Average remaining Lease Term (in years) (Year)	2 years 6 months 7 days		2 years 6 months 7 days		3 years 18 days
Accrued expenses (Current liabilities)	$ 325		$ 325		$ 275
Interest on lease liabilities	$ 16	19	$ 51	61
Weighted Average Discount Rate	4.82%		4.82%		4.81%
Long-term finance lease liability	$ 1,036		$ 1,036		$ 1,246
Total finance lease liabilities	1,361		1,361		$ 1,521
Variable lease cost	$ 22	22	$ 65	65
Weighted Average remaining Lease Term (in years) (Year)	4 years 21 days		4 years 21 days		4 years 9 months 18 days
Weighted Average Discount Rate	4.86%		4.86%		4.86%
Sublease income	$ (116)	(94)	$ (348)	(283)
Total lease cost	880	$ 889	2,650	$ 2,681
Accrued Expenses [Member]
Operating lease liabilities	1,290		1,290		$ 1,274
Buildings Under Finance Leases [Member]
Buildings under finance leases	2,033		2,033		2,033
Equipment Under Finance Leases [Member]
Buildings under finance leases	$ 30		$ 30		$ 11