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Inventories (Tables)
3 Months Ended
Mar. 31, 2023
Inventories [Abstract]  
Inventories
Inventories consist of the following:
 
   
March 31, 2023
   
December 31, 2022
 
Raw materials and work-in-process
 
$
5,295
   
$
5,418
 
Finished goods
   
400
     
129
 
Total inventories
 
$
5,695
   
$
5,547