Quarterly report pursuant to Section 13 or 15(d)

Inventories (Tables)

v3.22.1
Inventories (Tables)
3 Months Ended
Mar. 31, 2022
Inventory Disclosure [Abstract]  
Summary of inventories
Inventories
are
 comprised of the following items:
 
 
  
March 31,
2022
 
  
December 31,
2021
 
 
  
 
 
  
(Revised)
 
Supplies
   $ 6,744      $ 6,188  
Raw materials
     8,059        5,641  
Work in process
     8,444        9,464  
Finished goods
     8,703        7,399  
    
 
 
    
 
 
 
Total
  
$
31,950
 
  
$
28,692