Note B - Inventories, Net (Details Textual) - USD ($) $ in Thousands	3 Months Ended
Sep. 30, 2020	Jun. 30, 2020
Inventory Valuation Reserves, Ending Balance	$ 1,379	$ 1,274
Kaged Muscle LLC [Member]
Inventory Valuation Reserves, Ending Balance	800	$ 1,000
Kaged Muscle LLC [Member] \| SEC Schedule, 12-09, Reserve, Inventory [Member]
SEC Schedule, 12-09, Valuation Allowances and Reserves, Period Increase (Decrease), Total	$ (200)

Amount of valuation reserve for inventory.

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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
-Topic 235
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant