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INVENTORY (Details) - USD ($)
Dec. 31, 2022
Dec. 31, 2021
INVENTORY    
Raw materials $ 444,000 $ 462,000
Work in process 110,000 109,000
Finished goods 60,000 150,000
Allowance for slow moving and obsolete inventory (235,000) (278,000)
Inventory, net $ 379,000 $ 443,000