Note 11 - Leases and Purchase Commitments - Operating Lease Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating lease cost	$ 3,483	$ 2,428
Amortization of right of use assets	295	291
Interest on lease liabilities	80	91
Variable lease cost	87	10
Sublease income	0	(43)
Total lease cost	3,945	2,777
Fixed payments - operating lease cash flows	3,576	2,412
Liability reduction - operating cash flows	3,064	1,983
Interest - operating cash flows	80	91
Repayments of principal portion - financing cash flows	268	239
Total operating right-of-use assets	8,664	11,579
Long-term operating lease liability	8,240	10,890
Total operating lease liabilities	$ 9,514	$ 12,314
Weighted Average remaining Lease Term (in years) (Year)	3 years 18 days	3 years 11 months 4 days
Weighted Average Discount Rate	4.81%	4.81%
Finance leases, right of use assets	$ 2,033	$ 2,033
Accumulated depreciation	(634)	(339)
Total finance lease assets, net	1,410	1,724
Long-term finance lease liability	1,246	1,521
Total finance lease liabilities	$ 1,521	$ 1,784
Weighted Average remaining Lease Term (in years) (Year)	4 years 9 months 18 days	5 years 9 months 10 days
Weighted Average Discount Rate	4.86%	4.86%
Accrued Expenses [Member]
Accrued expenses (Current liabilities)	$ 1,274	$ 1,424
Accured expenses (Current liabilities)	275	263
Buildings Under Finance Leases [Member]
Finance leases, right of use assets	2,033	2,033
Equipment Under Finance Leases [Member]
Finance leases, right of use assets	$ 11	$ 30