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Inventories (Tables)
3 Months Ended
Mar. 31, 2022
Inventory Disclosure [Abstract]  
Schedule of inventories net of reserves
   March 31,
2022
   December 31,
2021
 
Raw Materials  $2,842   $1,824 
Work in process   1,866    2,730 
Finished Goods   259    300 
   $4,967   $4,854