Note 6 - Leases and Other Commitments and Contingencies (Details Textual)			3 Months Ended		6 Months Ended
	May 19, 2014 USD ($) ft²	Jan. 05, 2012 USD ($) ft²	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Jun. 30, 2021 USD ($)	Jan. 04, 2012 ft²
Operating Lease, Expense			$ 265,000	$ 265,000	$ 531,000	$ 530,000
Operating Lease Renewed for Office Space [Member]
Lessee, Operating Lease, Term of Contract (Year)			1 year		1 year
Lessee, Operating Lease, Liability, Annual Commitment			$ 12		$ 12
Unrelated Party [Member]
Operating Lease, Liability, Total			$ 32,000		$ 32,000
Lessee, Operating Lease, Discount Rate			3.86%		3.86%		3.75%
Operating Lease, Weighted Average Remaining Lease Term (Year)			4 years		4 years		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		$ 533,000
AgroLabs [Member]
Area of Real Estate Property (Square Foot) | ft²	2,700
Payments for Rent	$ 27,000
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			$ 223,000	$ 221,000	$ 444,000	$ 443,000
Due to Related Parties, Total			69,000		69,000		$ 65,000
Operating Lease, Liability, Total			$ 2,086,000		$ 2,086,000		$ 2,327,000
Minimum [Member]
Lessee, Lease, Term of Contract (Year)					2 years