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Inventories, net
 3 Months Ended
Mar. 31, 2022
Inventory Disclosure [Abstract]  
Inventories, net Inventories, net
The following table summarizes the Company's inventories recorded at the lower of average cost or net realizable value as of March 31, 2022 and December 31, 2021:
As of
(in thousands)March 31, 2022December 31, 2021
Product inventory, net$5,706 $4,901 
Raw material inventory4,574 2,949 
$10,280 $7,850