Note 6 - Leases and Other Commitments and Contingencies - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Operating cash flows from operating leases	$ 165	$ 165
Operating cash flows from finance leases	1	5
Financing cash flows from finance lease obligations	37	60
Unrelated Party [Member]
Operating cash flows from operating leases	24	24
Operating cash flows from finance leases	1	5
Financing cash flows from finance lease obligations	37	60
Vitamin Realty LLC [Member]
Operating cash flows from operating leases	141	141
Operating cash flows from finance leases
Financing cash flows from finance lease obligations