Note 10 - Commitments and Contingencies - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Operating cash flows from operating leases	$ 1,061	$ 989
Operating cash flows from finance lease obligations	0	0
Financing cash flows from finance lease obligations	42	35
Unrelated Party [Member]
Operating cash flows from operating leases	219	147
Operating cash flows from finance lease obligations	0	0
Financing cash flows from finance lease obligations	42	35
Vitamin Realty LLC [Member]
Operating cash flows from operating leases	842	842
Operating cash flows from finance lease obligations	0	0
Financing cash flows from finance lease obligations	$ 0	$ 0