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Inventory (Tables)
6 Months Ended
Jun. 30, 2022
Inventory Disclosure [Abstract]  
Schedule of Inventory
Inventory as of June 30, 2022 and December 31, 2021 consisted of the following (in thousands):
As of June 30, 2022As of December 31, 2021
Raw materials$170 $163 
Work-in-process457 539 
Finished goods954 1,274 
Inventory$1,581 $1,976