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STOCK BASED COMPENSATION (Tables) | 12 Months Ended
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Dec. 31, 2013
STOCK BASED COMPENSATION |
Summary of information about stock options under the Plan |
|  | Number of Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Life (Years) |  | Intrinsic Value |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
|  | (in thousands, except per share and year data) |
Balance at December 31, 2010 |  |  | 3,086 |  | $ | 2.02 |  |  | 7.6 |  |  |  |
Granted |  |  | 947 |  | $ | 7.10 |  |  |  |  |  |  |
Exercised |  |  | (163 | ) | $ | 2.52 |  |  |  |  | $ | 864 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance at December 31, 2011 |  |  | 3,870 |  | $ | 3.24 |  |  | 7.3 |  |  |  |
Granted |  |  | 300 |  | $ | 5.80 |  |  |  |  |  |  |
Exercised |  |  | (445 | ) | $ | 1.84 |  |  |  |  | $ | 596 |
Forfeited |  |  | (128 | ) | $ | 6.27 |  |  |  |  |  |  |
Expired |  |  | (36 | ) | $ | 7.96 |  |  |  |  |  |  |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance at December 31, 2012 |  |  | 3,561 |  | $ | 3.47 |  |  | 6.6 |  |  |  |
Granted |  |  | 1,728 |  | $ | 2.26 |  |  |  |  |  |  |
Exercised |  |  | (48 | ) | $ | 1.97 |  |  |  |  | $ | 47 |
Forfeited |  |  | (400 | ) | $ | 4.57 |  |  |  |  |  |  |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance at December 31, 2013 |  |  | 4,841 |  | $ | 2.96 |  |  | 5.2 |  | $ | 1,190 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Exercisable at December 31, 2013 |  |  | 2,795 |  | $ | 2.83 |  |  | 5.3 |  | $ | 1,190 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
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Schedule of weighted-average assumptions used for estimation of the fair value of the options granted under the Plan at the date of grant, using the Black-Scholes Option Valuation Model |
|  | 2013 |  | 2012 |  | 2011
--- | --- | --- | --- | --- | --- | ---
Risk-free interest rate |  | 0.50% to 0.86% |  | 0.97% |  | 1.74% to 2.33%
Dividend yield |  | n/a |  | n/a |  | n/a
Volatility factor of the expected market price of common stock |  | 66% to 69% |  | 75% |  | 90% to 100%
Weighted-average expected life of option |  | 3.5 years |  | 6.0 years |  | 6.6 years
Weighted-average grant date fair value |  | $1.02 |  | $3.80 |  | $4.86
Minera Andes |
Stock options outstanding and exercisable |
Summary of information about stock options outstanding and exercisable |
|  | Options Outstanding |  | Options Exercisable |
--- | --- | --- | --- | --- | ---
Range of Exercise Price |  | Number Outstanding |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Life (Years) |  | Number Exercisable |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Life (Years) |
C$0.00 - C$1.50 |  |  | 40,500 |  | C$ | 1.47 |  |  | 1.0 |  |  | 40,500 |  | C$ | 1.47 |  |  | 1.0 |
C$1.51 - C$2.00 |  |  | 45,000 |  | C$ | 1.62 |  |  | 0.9 |  |  | 45,000 |  | C$ | 1.62 |  |  | 0.9 |
C$2.01 - C$2.50 |  |  | 369,150 |  | C$ | 2.27 |  |  | 1.6 |  |  | 369,150 |  | C$ | 2.27 |  |  | 1.6 |
C$2.51 - C$3.00 |  |  | 45,000 |  | C$ | 2.51 |  |  | 1.6 |  |  | 45,000 |  | C$ | 2.51 |  |  | 1.6 |
Nevada Pacific Gold Ltd. |
Stock options outstanding and exercisable |
Summary of information about stock options outstanding and exercisable |
|  | Options Outstanding |  | Options Exercisable |
--- | --- | --- | --- | --- | ---
Range of Exercise Price |  | Number Outstanding |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Life (Years) |  | Number Exercisable |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Life (Years) |
C$0.00 - C$4.50 |  |  | 64,650 |  | C$ | 4.32 |  |  | 1.7 |  |  | 64,650 |  | C$ | 4.32 |  |  | 1.7 |
C$4.51 - C$5.00 |  |  | 112,643 |  | C$ | 4.74 |  |  | 2.9 |  |  | 112,643 |  | C$ | 4.74 |  |  | 2.9 |
C$5.01 - C$5.50 |  |  | 49,450 |  | C$ | 5.30 |  |  | 0.1 |  |  | 49,450 |  | C$ | 5.30 |  |  | 0.1 |
C$5.51 - C$6.70 |  |  | 60,950 |  | C$ | 6.62 |  |  | 1.9 |  |  | 60,950 |  | C$ | 6.62 |  |  | 1.9 |
McEwen Mining Inc. |
Stock options outstanding and exercisable |
Summary of information about stock options outstanding and exercisable |
|  | Options Outstanding |  | Options Exercisable |
--- | --- | --- | --- | --- | ---
Range of Exercise Price |  | Number Outstanding |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Life (Years) |  | Number Exercisable |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Life (Years) |
$0.00 - $2.00 |  |  | 1,264,000 |  | $ | 1.02 |  |  | 5.0 |  |  | 1,264,000 |  | $ | 1.02 |  |  | 5.0 |
$2.01 - $4.00 |  |  | 2,505,800 |  | $ | 2.37 |  |  | 4.5 |  |  | 887,800 |  | $ | 2.58 |  |  | 4.7 |
$4.01 - $6.00 |  |  | 361,500 |  | $ | 5.67 |  |  | 7.3 |  |  | 161,500 |  | $ | 5.50 |  |  | 6.3 |
$6.01 - $8.31 |  |  | 709,500 |  | $ | 7.14 |  |  | 7.0 |  |  | 481,501 |  | $ | 7.16 |  |  | 7.0 |

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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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