Note 10 - Commitments and Contingencies - Minimum Rental Commitment for Long-term Non-cancelable Leases (Details) $ in Thousands	Jun. 30, 2019 USD ($)
2020, Capital Lease Obligation	$ 206
2020, Total	810
2021, Capital Lease Obligation	77
2021, Total	664
2022, Capital Lease Obligation
2022, Total	574
2023, Capital Lease Obligation
2023, Total	565
2024, Capital Lease Obligation
2024, Total	563
Thereafter, Capital Lease Obligation
Thereafter, Total	845
Total minimum lease payments, Capital Lease Obligation	283
Total minimum lease payments, Total	4,021
Imputed interest, Capital Lease Obligation	(14)
Imputed interest, Total	(440)
Total, Capital Lease Obligation	269
Total	3,581
Vitamin Realty LLC [Member]
2020, Operating Lease	565
2021, Operating Lease	565
2022, Operating Lease	565
2023, Operating Lease	565
2024, Operating Lease	563
Thereafter, Operating Lease	845
Total minimum lease payments, Operating Lease	3,668
Imputed interest, Operating Lease	(424)
Total, Operating Lease	3,243
Unrelated Party [Member]
2020, Operating Lease	39
2021, Operating Lease	22
2022, Operating Lease	9
2023, Operating Lease
2024, Operating Lease
Thereafter, Operating Lease
Total minimum lease payments, Operating Lease	70
Imputed interest, Operating Lease	(2)
Total, Operating Lease	$ 68