Quarterly report pursuant to Section 13 or 15(d)

Inventories (Tables)

v3.20.2
Inventories (Tables)
9 Months Ended
Sep. 30, 2020
Inventory Disclosure [Abstract]  
Schedule of inventory A summary of the Company's inventories is shown below (in thousands):
September 30, December 31,
2020 2019
Supplies $ 6,832  $ 9,598 
Raw materials 543  746 
Work in process 3,858  4,608 
Finished goods 2,064  2,531 
Total inventories $ 13,297  $ 17,483