XML 29 R33.htm IDEA: XBRL DOCUMENT v2.4.1.9

STOCK BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2014

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, 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

Granted

1,731

$

2.90

Exercised

(1,499

)

$

1.29

$

438

Forfeited

(422

)

$

4.39

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Balance at December 31, 2014

4,650

$

3.35

4.4

$

11

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Exercisable at December 31, 2014

1,954

$

4.12

4.5

$

11

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

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

		2014		2013		2012
Risk-free interest rate		1.01%		0.50% to 0.86%		0.97%
Dividend yield		n/a		n/a		n/a
Volatility factor of the expected market price of common stock		70%		66% to 69%		75%
Weighted-average expected life of option		3.5 years		3.5 years		6.0 years
Weighted-average grant date fair value		$1.45		$1.02		$3.80

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$4.25 - C$4.50			40,500		C$	4.30			1.2			40,500		C$	4.30			1.2
C$4.51 - C$4.75			110,343		C$	4.74			1.9			110,343		C$	4.74			1.9
C$4.76 - C$5.00			2,300		C$	4.91			2.1			2,300		C$	4.91			2.1
C$5.01 - C$6.70			46,000		C$	6.70			1.4			46,000		C$	6.70			1.4
​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
Total			199,143		C$	5.11			1.6			199,143		C$	5.11			1.6

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$2.00 - C$2.50

256,650

C$

2.27

0.4

256,650

C$

2.27

0.4

C$2.51 - C$3.00

45,000

C$

2.51

0.4

45,000

C$

2.51

0.4

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Total

301,650

C$

2.30

0.4

301,650

C$

2.30

0.4

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)
$0.75 - $2.25			1,515,334		$	2.18			3.2			676,665		$	2.09			2.9
$2.26 - $2.75			381,800		$	2.50			4.9			331,800		$	2.51			5.0
$2.76 - $3.25			1,706,500		$	2.90			4.6			—			n/a			n/a
$3.26 - $6.50			516,500		$	5.01			5.3			416,500		$	4.82			4.9
$6.51 - $8.31			529,500		$	7.16			6.0			529,500		$	7.16			6.0
​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
Total			4,649,634		$	3.35			4.4			1,954,465		$	4.12			4.5

X

- Details

Name:	us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- 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

Name:	us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- 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

Name:	us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=mux_MineraAndesIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=mux_NevadaPacificGoldLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PlanNameAxis=mux_McEwenMiningIncStockOptionPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: