Note 6 - Leases and Other Commitments and Contingencies - Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Operating lease costs	$ 165	$ 174
Amortization of right-of use assets	12	27
Interest on operating lease liabilities	1	5
Total finance lease cost	13	32
Unrelated Party [Member]
Operating lease costs	24	39
Amortization of right-of use assets	12	27
Interest on operating lease liabilities	1	5
Total finance lease cost	13	32
Vitamin Realty LLC [Member]
Operating lease costs	141	135
Amortization of right-of use assets
Interest on operating lease liabilities
Total finance lease cost