Note 15 - Leases - Operating Lease Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021	Jun. 30, 2021
Operating lease cost	$ 868	$ 576	$ 2,617	$ 1,714
Amortization of right of use assets	74	73	221	218
Interest on lease liabilities	19	22	61	69
Variable lease cost	22	0	65	2
Sublease income	(94)	0	(283)	0
Total lease cost	889	$ 671	2,681	2,003
Fixed payments - operating cash flows			2,669	1,707
Liability reduction - operating cash flows			2,271	1,397
Interest - operating cash flows			61	69
Repayments of principal portion - financing cash flows			196	$ 178
Total operating right-of-use assets	9,464		9,464		$ 11,579
Long-term operating lease liability	9,068		9,068		10,890
Total operating lease liabilities	$ 10,138		$ 10,138		$ 12,314
Weighted Average remaining Lease Term (in years) (Year)	3 years 3 months 7 days		3 years 3 months 7 days		3 years 11 months 4 days
Weighted Average Discount Rate	4.81%		4.81%		4.81%
Finance leases, right of use assets	$ 2,033		$ 2,033		$ 2,033
Accumulated depreciation	(561)		(561)		(339)
Total finance lease assets, net	1,502		1,502		1,724
Accrued expenses (Current liabilities)	272		272		263
Long-term finance lease liability	1,316		1,316		1,521
Total finance lease liabilities	$ 1,588		$ 1,588		$ 1,784
Weighted Average remaining Lease Term (in years) (Year)	5 years 10 days		5 years 10 days		5 years 9 months 10 days
Weighted Average Discount Rate	4.86%		4.86%		4.86%
Accrued Expenses [Member]
Operating lease liabilities	$ 1,070		$ 1,070		$ 1,424
Buildings Under Finance Leases [Member]
Finance leases, right of use assets	2,033		2,033		2,033
Equipment Under Finance Leases [Member]
Finance leases, right of use assets	$ 30		$ 30		$ 30