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INVENTORY
 3 Months Ended
Mar. 31, 2022
INVENTORY  
Inventory

6.

INVENTORY

 

 

 

March 31,

2022

 

 

December 31,

2021

 

Process material stockpiles

 

$1,356

 

 

$1,083

 

Concentrate inventory

 

 

1,656

 

 

 

2,467

 

Materials and supplies

 

 

1,820

 

 

 

1,629

 

 

 

$4,832

 

 

$5,179

 

 

The amount of inventory recognized as an expense for the three months ended March 31, 2022 totalled $6,598 (March 31, 2021 – $709). See Note 16 for further details.