2 - INVENTORY (Details) - USD ($)	Sep. 30, 2019	Dec. 31, 2018
Inventory Disclosure [Abstract]
Inventory, Net	$ 4,207,000	$ 4,597,000
Inventory Valuation Reserves	$ 7,319,000	$ 7,189,000

Amount of valuation reserve for inventory.

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