Amount of valuation reserve for inventory.

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Name:	us-gaap_InventoryValuationReserves
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Note D - Inventories (Details Textual) - USD ($)	1 Months Ended	3 Months Ended
Note D - Inventories (Details Textual) - USD ($)	Jul. 31, 2019	Sep. 30, 2019	Dec. 31, 2019	Dec. 31, 2018
Inventory Valuation Reserves, Ending Balance			$ 768,000	$ 763,000
Milestone China [Member]
Contract with Customer, Asset, Allowance for Credit Loss, Recovery	$ 151,000	$ 151,000
Slow Moving Medical Finished Goods [Member]
Inventory Valuation Reserves, Ending Balance			450,000	454,183
Slow Moving Dental Finished Goods [Member]
Inventory Valuation Reserves, Ending Balance			$ 318,000	$ 309,196