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INVENTORIES | 12 Months Ended
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Dec. 31, 2021
INVENTORIES |
INVENTORIES | NOTE 7 INVENTORIES Inventories at December 31, 2021 and 2020 consist of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, 2021 |  | December 31, 2020
Material on leach pads | ​ | $ | 4,660 | ​ | $ | 21,003
In-process inventory | ​ |  | 3,049 | ​ |  | 3,922
Stockpiles | ​ |  | 5,105 | ​ |  | 635
Precious metals | ​ |  | 1,819 | ​ |  | 1,344
Materials and supplies | ​ |  | 3,702 | ​ |  | 4,845
​ | ​ | $ | 18,335 | ​ | $ | 31,749
Less long-term portion | ​ | ​ | (2,543) | ​ | ​ | (4,785)
​ | ​ | ​ | 15,792 | ​ | ​ | 26,964
​ During the year ended December 31, 2021, the inventory of Black Fox, Gold Bar and El Gallo were written down to their net realizable value by $2.1 million, $1.4 million, and $3.3 million respectively. Of these write-downs, a total of $6.0 million was included in production costs applicable to sales (December 31, 2020 - $13.9 million) and $0.8 million was included in depreciation and depletion (December 31, 2020 - $2.1 million) in the Statement of Operations.

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
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