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MINERAL PROPERTY INTERESTS AND PLANT AND EQUIPMENT (Tables) | 9 Months Ended
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Sep. 30, 2020
MINERAL PROPERTY INTERESTS AND PLANT AND EQUIPMENT |
Summary of the quantitative and qualitative information related to the unobservable inputs used in the calculation of the Company's non-recurring Level 3 fair value measurements | ​
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​ | ​ | Date of Fair Value Measurement | ​ | Valuation Technique | ​ | Unobservable Input | ​ | Range/ Weighted Average
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Gold Bar Mine | ​ | March 31, 2020 | ​ | Discounted Cash Flow | ​ | Discount Rate | ​ | 9%
​ | ​ | ​ | ​ | ​ | ​ | Long Term Gold Price | ​ | $1,430/oz
​ | ​ | ​ | ​ | ​ | ​ | United States Inflation Index | ​ | 2%

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- Definition Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique used to measure similar asset in prior period by class of asset or liability on non-recurring basis. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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