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INVENTORIES, NET (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Raw materials, parts and supplies $ 1,482 $ 1,414
Finished products 1,553 1,232
Inventories, net 3,035 2,646
Valuation adjustment for slow inventory $ 1,979 $ 1,527