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INVENTORIES (Details) - USD ($)
Jun. 30, 2019
Dec. 31, 2018
INVENTORIES    
Raw material $ 2,143,000 $ 1,963,000
Work in process 1,997,000 1,924,000
Finished goods 17,606,000 16,609,000
Inventory net $ 21,746,000 $ 20,496,000