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Inventories (Tables)
3 Months Ended
Mar. 31, 2019
Inventory Disclosure [Abstract]  
Schedule of inventories

   March 31,
2019
   December 31,
2018
 
Raw Materials  $2,002   $2,581 
Work in process   2,219    1,573 
Finished Goods   2,559    2,569 
    6,780    6,723 
Less current inventories   (6,780)   (6,172)
   $-   $551