Note 10 - Commitments and Contingencies (Details Textual) $ in Thousands			12 Months Ended
	May 19, 2014 USD ($) ft²	Jan. 05, 2012 USD ($) ft²	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jan. 04, 2012 ft²
Rental of Office Equipment [Member]
Lessee, Operating Lease, Term of Contract (Year)			5 years
Lessee, Operating Lease, Liability, Annual Commitment			$ 2
Unrelated Party [Member]
Operating Lease, Expense			1,040	$ 1,013
Operating Lease, Liability, Total			$ 36
Lessee, Operating Lease, Discount Rate			3.75%	3.76%
Operating Lease, Weighted Average Remaining Lease Term (Year)			5 years 146 days	6 years 146 days
First American Equipment Finance [Member]
Sale Leaseback Transaction, Net Book Value, Total				$ 233
Manhattan Drug Company [Member]
Area of Real Estate Property (Square Foot) | ft²		76,161			74,898
Payments for Rent		$ 533
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			$ 862	843
Due to Related Parties, Total			62	67
Operating Lease, Liability, Total			$ 2,794	$ 3,243
Vitamin Realty LLC [Member] | Operating Lease Renewed for Office Space [Member]
Lessee, Operating Lease, Term of Contract (Year)			1 year
Lessee, Operating Lease, Liability, Annual Commitment			$ 25
Minimum [Member]
Lessee, Lease, Term of Contract (Year)			1 year
Maximum [Member]
Lessee, Lease, Term of Contract (Year)			8 years