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Inventory
9 Months Ended
Sep. 30, 2021
Inventory  
Inventory

6.

INVENTORY, NET

September 30, 

December 31, 

    

2021

    

2020

Raw materials

$

38

$

22

Work in process

5

9

Total

$

43

$

31

Inventory reserve

(1)

Total inventory, net

$

42

$

31