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Inventories
9 Months Ended
Sep. 30, 2021
Inventory Disclosure [Abstract]  
Inventories Inventories
 
Inventories consisted of the following:
 September 30, 2021December 31, 2020
Raw materials$1,442 $1,724 
Work in progress177 18 
Finished goods132 236 
Inventories$1,751 $1,978