Note 6 - Leases and Other Commitments and Contingencies - Minimum Rental Commitment for Long-term Non-cancelable Leases (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Jun. 30, 2021
2022, remaining financed lease	$ 434
2023, Financed Lease Obligations	574
2024, Financed Lease Obligations	572
2025, Financed Lease Obligations	542
2026, Financed Lease Obligations	316
Total minimum lease payments, Capital Lease Obligation	2,438
Imputed interest, Capital Lease Obligation	(195)
Total, Capital Lease Obligation	2,243
Vitamin Realty LLC [Member]
2022, remaining operating lease	424
2023, Operating Lease	565
2024, Operating Lease	563
2025, Operating Lease	533
2026, Operating Lease	311
Total minimum lease payments, Operating Lease	2,396
Imputed interest, Operating Lease	(189)
Total, Operating Lease	2,207	$ 2,327
Unrelated Party [Member]
2022, remaining operating lease	10
2023, Operating Lease	9
2024, Operating Lease	9
2025, Operating Lease	9
2026, Operating Lease	5
Total minimum lease payments, Operating Lease	42
Imputed interest, Operating Lease	(6)
Total, Operating Lease	$ 36