Note 6 - Commitments and Contingencies - Minimum Rental Commitment for Long-term Non-cancelable Leases (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Jun. 30, 2022
2023, remaining, Capital Lease Obligation	$ 11
2023, remaining	257
2024, Capital Lease Obligation	42
2024	1,030
2025, Capital Lease Obligation	7
2025	998
2026, Capital Lease Obligation	0
2026	641
2027, Capital Lease Obligation	0
2027	148
2028, Capital Lease Obligation	0
2028	62
Total minimum lease payments, Capital Lease Obligation	60
Total minimum lease payments	3,136
Imputed interest, Capital Lease Obligation	0
Imputed interest	(237)
Total	2,899
Current Portion of Long Term Debt and Long-term Debt Obligation [Member]
Total, Capital Lease Obligation	60	$ 85
Vitamin Realty LLC [Member]
2023, remaining, Operating Lease	210
2024, Operating Lease	842
2025, Operating Lease	842
2026, Operating Lease	492
2027, Operating Lease	0
2028, Operating Lease	0
Total minimum lease payments, Operating Lease	2,386
Imputed interest, Operating Lease	(137)
Total, Operating Lease	2,249	$ 1,839
Unrelated Party [Member]
2023, remaining, Operating Lease	36
2024, Operating Lease	146
2025, Operating Lease	149
2026, Operating Lease	149
2027, Operating Lease	148
2028, Operating Lease	62
Total minimum lease payments, Operating Lease	690
Imputed interest, Operating Lease	(100)
Total, Operating Lease	$ 590