Note 15 - Leases - Operating Lease Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Jun. 30, 2020
Operating lease cost	$ 565	$ 575	$ 1,138	$ 1,162
Amortization of right of use assets	72	0	145	0
Interest on lease liabilities	23	0	47	0
Variable lease cost	1	0	2	0
Total lease cost	661	$ 575	1,332	1,162
Fixed payments - operating cash flows			1,141	1,139
Liability reduction - operating cash flows			929	885
Interest - operating cash flows			47	0
Repayments of principal portion - financing cash flows			118	$ (0)
Total operating right-of-use assets	7,684		7,684		$ 8,663
Long-term operating lease liability	8,118		8,118		9,021
Total operating lease liabilities	$ 8,416		$ 8,416		$ 9,397
Weighted Average remaining Lease Term (in years) (Year)	4 years 1 month 17 days		4 years 1 month 17 days		4 years 7 months 2 days
Weighted Average Discount Rate	4.85%		4.85%		4.85%
Buildings under finance leases	$ 2,033		$ 2,033		$ 2,033
Accumulated depreciation	(194)		(194)		(48)
Total finance lease assets, net	1,839		1,839		1,985
Accrued expenses (Current liabilities)	245		245		239
Long-term finance lease liability	1,631		1,631		1,755
Total finance lease liabilities	$ 1,876		$ 1,876		$ 1,994
Weighted Average remaining Lease Term (in years) (Year)	6 years 3 months 29 days		6 years 3 months 29 days		6 years 9 months 29 days
Weighted Average Discount Rate	4.86%		4.86%		4.86%
Accrued Expenses [Member]
Operating lease liabilities	$ 298		$ 298		$ 376