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INVENTORIES (Tables)
6 Months Ended
Jun. 30, 2019
Inventory Disclosure [Abstract]  
Schedule of the components of inventories

The components of inventories are summarized below:

 

    June 30,     December 31,  
    2019     2018  
Raw materials   $ 2,138     $ 2,049  
Work in process     3,377       1,949  
Finished goods     (88 )     46  
Provision for excess and obsolete inventory     (407 )     (366 )
Total inventories   $ 5,020     $ 3,678