Note 10 - Leases and Purchase Commitments - Operating Lease Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Operating lease cost	$ 2,308
Amortization of right of use assets	48
Interest on lease liabilities	16
Variable Lease Cost	6
Total lease Cost	2,378
Fixed payments - operating cash flows	2,296
Liability reduction - operating cash flows	1,810
Interest - operating cash flows	16
Repayments of principal portion - financing cash flows	39
Total operating right-of-use assets	8,663
Long-term operating lease liability	9,021
Total operating lease liabilities	$ 9,397
Weighted Average remaining Lease Term (in years) (Year)	4 years 215 days
Weighted Average Discount Rate	4.85%
Buildings under finance leases	$ 2,033
Accumulated depreciation	(48)
Total finance lease assets, net	1,985
Accrued expenses (Current liabilities)	239
Long-term finance lease liability	1,755
Total finance lease liabilities	$ 1,994
Weighted Average remaining Lease Term (in years) (Year)	6 years 302 days
Weighted Average Discount Rate	4.86%
Accrued Expenses [Member]
Operating lease liabilities	$ 376