Note 10 - Commitments and Contingencies (Details Textual) $ in Thousands				12 Months Ended
	Jul. 01, 2022 USD ($)	May 19, 2014 USD ($) ft²	Jan. 05, 2012 USD ($) ft²	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jul. 15, 2022 ft²	Dec. 31, 2021 USD ($)	Jan. 04, 2012 ft²
Operating Lease Renewed for Office Space [Member]
Lessee, Operating Lease, Term of Contract (Year)							1 year
Lessee, Operating Lease, Liability, Annual Commitment							$ 12
Unrelated Party [Member]
Operating Lease, Expense				$ 1,074	$ 1,057
Unrelated Party [Member]
Operating Lease, Liability, Total				$ 28
Lessee, Operating Lease, Discount Rate				3.87%	3.75%
Operating Lease, Weighted Average Remaining Lease Term (Year)				3 years 6 months	4 years 4 months 24 days
Manhattan Drug Company [Member]
Area of Real Estate Property (Square Foot) | ft²			76,161					74,898
Payments for Rent			$ 533
Manhattan Drug Company [Member] | Subsequent Event [Member]
Area of Real Estate Property (Square Foot) | ft²						116,175
Payments for Rent	$ 842
AgroLabs [Member]
Area of Real Estate Property (Square Foot) | ft²		2,700
Payments for Rent		$ 27
Chairman, Chief Executive Office and Major Stockholder [Member]
Percent of Ownership for Warehouse and Office Facilities Leased				100.00%
Vitamin Realty LLC [Member]
Operating Lease, Expense				$ 896	$ 883
Due to Related Parties, Total	$ 72				65
Operating Lease, Liability, Total				$ 1,841	$ 2,327
Minimum [Member]
Lessee, Lease, Term of Contract (Year)				1 year
Maximum [Member]
Lessee, Lease, Term of Contract (Year)				7 years