Note B - Inventories, Net (Details Textual) - USD ($)	Dec. 31, 2019	Jun. 30, 2019
Inventory Valuation Reserves, Ending Balance	$ 529,000	$ 1,106,000
SR CarnoSyn Powder [Member]
Inventory Valuation Reserves, Ending Balance	$ 39,000	$ 686,000

Amount of valuation reserve for inventory.

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