Note 10 - Commitments and Contingencies - Supplemental Cash Flow Information (Details) $ in Thousands	12 Months Ended
	Jun. 30, 2019 USD ($)
Operating cash flows from operating leases	$ 657
Operating cash flows from capital lease obligations	18
Financing cash flows from capital lease obligations	233
Unrelated Party [Member]
Operating cash flows from operating leases	92
Operating cash flows from capital lease obligations	18
Financing cash flows from capital lease obligations	233
Vitamin Realty LLC [Member]
Operating cash flows from operating leases	565
Operating cash flows from capital lease obligations
Financing cash flows from capital lease obligations