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Inventories and Ore on Leach Pads (Tables)
 9 Months Ended
Sep. 30, 2022
Inventory Disclosure [Abstract]  
Schedule of Inventory The following table provides the components of Inventories and the estimated recoverable gold ounces therein (dollars in thousands):
September 30, 2022December 31, 2021
AmountGold OuncesAmountGold Ounces
Inventories:
Materials and supplies$3,800 — $4,376 — 
Merrill-Crowe process plant— — 11 6 
Carbon-in-column (on-site)7,388 6,142 3,493 2,044 
Finished goods (doré and off-site carbon)907 565 3,189 1,799 
Total$12,095 6,707 $11,069 3,849 
Schedule of Inventory, Ore on Leach Pads
The following table summarizes Ore on leach pads and the estimated recoverable gold ounces therein (dollars in thousands):
September 30, 2022December 31, 2021
AmountGold OuncesAmountGold Ounces
Ore on leach pads$— — $10,106 7,130