Note 15 - Leases - Operating Lease Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Jun. 30, 2021
Operating lease cost	$ 870	$ 565	$ 1,749	$ 1,138
Amortization of right of use assets	74	72	148	145
Interest on lease liabilities	20	23	41	47
Variable lease cost	22	1	44	2
Sublease income	(94)	0	(188)	0
Total lease cost	892	$ 661	1,794	1,332
Fixed payments - operating cash flows			1,778	1,141
Liability reduction - operating cash flows			1,502	929
Interest - operating cash flows			42	47
Repayments of principal portion - financing cash flows			129	$ 118
Total operating right-of-use assets	10,185		10,185		$ 11,579
Long-term operating lease liability	9,436		9,436		10,890
Total operating lease liabilities	$ 10,882		$ 10,882		$ 12,314
Weighted Average remaining Lease Term (in years) (Year)	3 years 5 months 26 days		3 years 5 months 26 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	(487)		(487)		(339)
Total finance lease assets, net	1,576		1,576		1,724
Accrued expenses (Current liabilities)	269		269		263
Long-term finance lease liability	1,386		1,386		1,521
Total finance lease liabilities	$ 1,655		$ 1,655		$ 1,784
Weighted Average remaining Lease Term (in years) (Year)	5 years 3 months 10 days		5 years 3 months 10 days		5 years 9 months 10 days
Weighted Average Discount Rate	4.86%		4.86%		4.86%
Accrued Expenses [Member]
Operating lease liabilities	$ 1,446		$ 1,446		$ 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