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Note 10. Product Inventories (Tables)
3 Months Ended
Mar. 31, 2024
Inventory Disclosure [Abstract]  
Schedule of Our Major Components of Product Inventories

Our major components of product inventories are (in thousands):

 

March 31, 2024

 

 

December 31, 2023

 

Concentrates

 

$

16,423

 

 

$

13,328

 

Stockpiled ore

 

 

8,870

 

 

 

7,168

 

In-process

 

 

12,121

 

 

 

8,327

 

Total product inventories

 

$

37,414

 

 

$

28,823