REVENUE (Tables)
12 Months Ended
Dec. 31, 2021
Revenue [abstract]  
Disclosure of detailed information about revenue [Table Text Block]
    Years Ended  
    December 31,     December 31,  
    2021     2020  
             
Silver Sales (1) $ 97,257   $ 74,733  
Gold Sales (1)   70,022     65,554  
Less: smelting and refining costs   (1,959 )   (1,826 )
Revenue $ 165,320   $ 138,461  

(1) Changes in fair value from provisional pricing in the period are included in silver and gold sales.

Disclosure of disaggregation of revenue from contracts with customers [Table Text Block]
    Years Ended  
    December 31,     December 31,  
Revenue by product   2021     2020  
             
Concentrate sales $ 57,011   $ 54,264  
Provisional pricing adjustments   (183 )   1,238  
Total revenue from concentrate sales   56,828     55,502  
Refined metal sales   108,492     82,959  
Total revenue $ 165,320   $ 138,461