STOCK BASED COMPENSATION (Tables)
 12 Months Ended
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
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
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