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INVENTORIES (Details) - USD ($)
Jun. 30, 2023
Dec. 31, 2022
INVENTORIES    
Raw material $ 1,579,000 $ 2,000,000
Work in process 2,115,000 2,242,000
Finished goods 17,402,000 20,249,000
INVENTORIES $ 21,096,000 $ 24,491,000