Note 10 - Commitments and Contingencies - Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Operating Lease Costs	$ 670	$ 675
Amortization of right-of use assets	57	91
Interest on operating lease liabilities	13	18
Total Finance Lease Costs	70	109
Unrelated Party [Member]
Operating Lease Costs	104	112
Amortization of right-of use assets	57	91
Interest on operating lease liabilities	13	18
Total Finance Lease Costs	70	109
Vitamin Realty LLC [Member]
Operating Lease Costs	566	563
Amortization of right-of use assets
Interest on operating lease liabilities
Total Finance Lease Costs