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STOCK BASED COMPENSATION (Tables) | 12 Months Ended
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Dec. 31, 2015
Stock options outstanding and exercisable |
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 |
|  | 2015 |  |  | 2014 |  | 2013 |
Risk-free interest rate |  |  | 1.10 | % | to | 1.79 | % |  | 1.01 | % |  | 0.5% to 0.86% |
Dividend yield |  |  | 0 | % | to | 1.15 | % |  | 0 | % |  | 0 | %
Volatility factor of the expected market price of common stock |  |  | 73 | % | to | 74 | % |  | 70 | % |  | 66% to 69% |
Weighted-average expected life of option |  |  | 3.5 years |  |  | 3.5 years |  |  | 3.5 years |
Weighted-average grant date fair value |  | $ | 0.49 |  | $ | 1.45 |  | $ | 1.02 |
Summary of information about stock options under the Plan |
|  |  |  |  |  |  | Weighted |  |  |  |
|  |  |  | Weighted |  | Average |  |  |  |
|  |  |  | Average |  | Remaining |  |  |  |
|  | Number of |  | Exercise |  | Contractual |  | Intrinsic |
|  | Shares |  | Price |  | Life (Years) |  | Value |
|  | (in thousands, except per share and year data) |
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 |  |  | — |
Granted |  | 1,731 |  |  | 2.90 |  | — |  |  | — |
Exercised |  | (1,499) |  |  | 1.29 |  | — |  | $ | 438 |
Forfeited |  | (422) |  |  | 4.39 |  | — |  |  | — |
Balance at December 31, 2014 |  | 4,651 |  |  | 3.35 |  | 4.4 |  |  | — |
Granted |  | 2,733 |  |  | 1.03 |  | — |  |  | — |
Forfeited |  | (272) |  |  | 2.82 |  | — |  |  | — |
Expired |  | (158) |  |  | 2.12 |  | — |  |  | — |
Balance at December 31, 2015 |  | 6,954 |  |  | 2.49 |  | 4.1 |  | $ | 98 |
Exercisable at December 31, 2015 |  | 2,772 |  |  | 3.80 |  | 3.7 |  | $ | 8 |
Nevada Pacific Gold Ltd. |
Stock options outstanding and exercisable |
Summary of information about stock options outstanding and exercisable |
|  |  |  |  |  | Options Outstanding |  | Options Exercisable |
|  |  |  |  |  |  |  |  |  |  | Weighted |  |  |  |  |  |  | Weighted |
|  |  |  |  |  |  |  | Weighted |  | Average |  |  |  | Weighted |  | Average |
|  |  |  |  |  |  |  | Average |  | Remaining |  |  |  | Average |  | Remaining |
|  |  |  |  |  | Number |  | Exercise |  | Contractual |  | Number |  | Exercise |  | Contractual |
Range of Exercise Price |  | Outstanding |  | Price |  | Life (Years) |  | Exercisable |  | Price |  | Life (Years) |
C$ | 4.30 | - | C$ | 4.52 |  | 40,500 |  | C$ | 4.30 |  | 0.2 |  | 40,500 |  | C$ | 4.30 |  | 0.2 |
C$ | 4.53 | - | C$ | 4.83 |  | 110,343 |  | C$ | 4.74 |  | 0.9 |  | 110,343 |  | C$ | 4.74 |  | 0.9 |
C$ | 4.84 | - | C$ | 5.81 |  | 2,300 |  | C$ | 4.91 |  | 1.1 |  | 2,300 |  | C$ | 4.91 |  | 1.1 |
C$ | 5.82 | - | C$ | 6.70 |  | 46,000 |  | C$ | 6.70 |  | 0.4 |  | 46,000 |  | C$ | 6.70 |  | 0.4 |
Total |  | 199,143 |  | C$ | 5.11 |  | 0.7 |  | 199,143 |  | C$ | 5.11 |  | 0.7 |
McEwen Mining Inc. |
Stock options outstanding and exercisable |
Summary of information about stock options outstanding and exercisable |
|  |  |  |  |  | Options Outstanding |  | Options Exercisable |
|  |  |  |  |  |  |  |  |  |  | Weighted |  |  |  |  |  |  | Weighted |
|  |  |  |  |  |  |  | Weighted |  | Average |  |  |  | Weighted |  | Average |
|  |  |  |  |  |  |  | Average |  | Remaining |  |  |  | Average |  | Remaining |
|  |  |  |  |  | Number |  | Exercise |  | Contractual |  | Number |  | Exercise |  | Contractual |
Range of Exercise Price |  | Outstanding |  | Price |  | Life (Years) |  | Exercisable |  | Price |  | Life (Years) |
$ | 0.91 | - | $ | 1.04 |  | 2,298,667 |  | $ | 1.02 |  | 4.9 |  | 55,667 |  | $ | 0.91 |  | 3.0 |
$ | 1.05 | - | $ | 2.38 |  | 1,745,000 |  | $ | 1.92 |  | 3.1 |  | 850,669 |  | $ | 2.24 |  | 2.4 |
$ | 2.39 | - | $ | 2.71 |  | 306,800 |  | $ | 2.51 |  | 4.1 |  | 306,800 |  | $ | 2.51 |  | 4.1 |
$ | 2.72 | - | $ | 3.09 |  | 1,567,500 |  | $ | 2.90 |  | 3.6 |  | 522,498 |  | $ | 2.90 |  | 3.6 |
$ | 3.10 | - | $ | 8.30 |  | 1,036,000 |  | $ | 6.09 |  | 4.7 |  | 1,036,000 |  | $ | 6.09 |  | 4.7 |
| Total |  | 6,953,967 |  | $ | 2.49 |  | 4.1 |  | 2,771,634 |  | $ | 3.80 |  | 3.7 |

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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + 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 (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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