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INVENTORIES | 12 Months Ended
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Dec. 31, 2020
INVENTORIES |
INVENTORIES | NOTE 8 INVENTORIES Inventories at December 31, 2020 and 2019 consist of the following:
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, 2020 |  | December 31, 2019
Material on leach pads | ​ | $ | 21,003 | ​ | $ | 37,328
In-process inventory | ​ |  | 3,922 | ​ |  | 3,847
Stockpiles | ​ |  | 635 | ​ |  | 1,384
Precious metals | ​ |  | 1,344 | ​ |  | 1,038
Materials and supplies | ​ |  | 4,845 | ​ |  | 4,382
Inventories | ​ | $ | 31,749 | ​ | $ | 47,979
Less current portion | ​ | ​ | 26,964 | ​ | ​ | 38,376
Long-term portion | ​ | $ | 4,785 | ​ | $ | 9,603
​ During the year ended December 31, 2020, the inventory of Black Fox, Gold Bar and El Gallo were written down to their net realizable value by $1.9 million (year ended December 31, 2019 - $nil); $12.4 million (year ended December 31, 2019 - $nil); and $1.7 million (year ended December 31, 2019 - $1.7 million), respectively. Of these write-downs, a total of $13.9 million (year ended December 31, 2019 - $1.7 million) was included in production costs applicable to sales and $2.1 million was included in depreciation and depletion (year ended December 31, 2019 - $nil) 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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