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INVENTORIES | 9 Months Ended
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Sep. 30, 2021
INVENTORIES |
INVENTORIES | ​ NOTE 7 INVENTORIES Inventories at September 30, 2021 and December 31, 2020 consisted of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | September 30, 2021 |  | December 31, 2020
Material on leach pads | ​ | $ | 11,569 | ​ | $ | 21,003
In-process inventory | ​ |  | 3,464 | ​ |  | 3,922
Stockpiles | ​ |  | 1,864 | ​ |  | 635
Precious metals | ​ |  | 1,702 | ​ |  | 1,344
Materials and supplies | ​ |  | 5,582 | ​ |  | 4,845
Inventories | ​ | $ | 24,181 | ​ | $ | 31,749
Less current portion | ​ | ​ | 19,252 | ​ | ​ | 26,964
Long-term portion | ​ | $ | 4,929 | ​ | $ | 4,785
​ During the nine months ended September 30, 2021, the inventory at the Black Fox, Gold Bar, and El Gallo mines were written down to a net realizable value by $0.4 million, $1.4 million and $2.5 million, respectively. Of these write-downs, a total of $4.0 million (nine months ended September 30, 2020 – $2.6 million) was included in production costs applicable to sales and $0.3 million was included in depreciation and depletion (nine months ended September 30, 2020 - $0.5 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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