Note 6 - Leases and Other Commitments and Contingencies - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating cash flows from operating leases	$ 499	$ 496
Operating cash flows from finance leases	11	12
Financing cash flows from finance lease obligations	157	174
Unrelated Party [Member]
Operating cash flows from operating leases	75	72
Operating cash flows from finance leases	11	12
Financing cash flows from finance lease obligations	157	174
Vitamin Realty LLC [Member]
Operating cash flows from operating leases	424	424
Operating cash flows from finance leases
Financing cash flows from finance lease obligations