Note 6 - Leases and Other Commitments and Contingencies - Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Operating lease costs	$ 174	$ 163
Amortization of right-of use assets	27	17
Interest on operating lease liabilities	5	4
Total finance lease cost	32	21
Unrelated Party [Member]
Operating lease costs	39	22
Amortization of right-of use assets	27	17
Interest on operating lease liabilities	5	4
Total finance lease cost	32	21
Vitamin Realty LLC [Member]
Operating lease costs	135	141
Amortization of right-of use assets
Interest on operating lease liabilities
Total finance lease cost