Inventory (Tables)
 12 Months Ended
Dec. 31, 2021
Inventory Disclosure [Abstract]  
Summary of Inventory
Inventory consists of the following:
 
(in thousands)
   
December 31,
2021
     
December 31,
2020
  
Raw material
    $ 853        1,669  
Work in process
      77        79  
Finished goods
      9,447        4,805  
    
 
 
     
 
 
  
Total inventory
    $ 10,377      $ 6,553