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INVENTORIES | 6 Months Ended
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Jun. 30, 2019
INVENTORIES | NOTE 6 INVENTORIES Current inventories at June 30, 2019 and December 31, 2018 consisted of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | June 30, 2019 |  | December 31, 2018 |
Material on leach pads |  | $ | 21,122 |  | $ | 10,370 | ​
In-process inventory | ​ |  | 3,919 | ​ |  | 3,446 | ​
Stockpiles | ​ |  | 1,839 | ​ |  | 1,272 | ​
Precious metals | ​ |  | 2,404 | ​ |  | 3,421 | ​
Materials and supplies | ​ |  | 3,703 | ​ |  | 3,530 | ​
Current inventories | ​ | $ | 32,987 | ​ | $ | 22,039 | ​
​ A portion of leach pad inventories at June 30, 2019 in the amount of $1.8 million (December 31, 2018 – $4.6 million) is expected to be recovered beyond twelve months, and has been included in Other assets.

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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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