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Inventories (Tables)
9 Months Ended
Sep. 30, 2021
Inventory Disclosure [Abstract]  
Schedule of inventories net of reserves
   September 30,
2021
   December 31,
2020
 
Raw Materials  $1,786   $1,706 
Work in process   1,887    1,144 
Finished Goods   408    1,213 
   $4,081   $4,063