Note A - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2021 USD ($) shares	Mar. 31, 2020 USD ($) shares	Mar. 31, 2021 USD ($) shares	Mar. 31, 2020 USD ($) shares	Jun. 30, 2020 USD ($)
Sales, Royalty and Licensing Revenue	$ 4,100	$ 2,800	$ 9,600	$ 10,300
Royalty Expense	$ 200	$ 100	$ 400	$ 500
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in shares) \| shares	10,000	0	110,000	0
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period (in shares) \| shares	7,883		38,325
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period (in shares) \| shares	0	0	0	0
Deferred Compensation Arrangement with Individual, Number of Payments	3		3
Fair Value, Inputs, Level 1 [Member]
Fair Value, Net Asset (Liability), Total	$ 0		$ 0		$ 0
Fair Value, Inputs, Level 2 [Member]
Foreign Currency Contracts, Liability, Fair Value Disclosure	900		900
Foreign Currency Contract, Asset, Fair Value Disclosure					300
Fair Value, Inputs, Level 3 [Member]
Fair Value, Net Asset (Liability), Total	0		0		$ 0
Board of Directors and Management Team First Issuance [Member]
Deferred Compensation Arrangement with Individual, Cash Award Granted, Amount	500		500
Board of Directors and Management Team Second Issuance [Member]
Deferred Compensation Arrangement with Individual, Cash Award Granted, Amount	$ 1,500		$ 1,500
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) \| shares	91,773	0	91,773	5,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period (in shares) \| shares	0	0	0	15,000
Share-based Payment Arrangement, Expense	$ 300	$ 500	$ 1,000	$ 1,400
Juice Plus + [Member]
Sales Discounts, Cash	$ 400	$ 400	$ 1,200	$ 1,200
Restricted Stock 1 [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) \| shares	91,773	356,998	69,477	388,988
Share-based Payment Arrangement, Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) \| shares	0	130,000	30,000	130,000

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Fair value portion of liability contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into.

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