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LEASE LIABILITIES (Tables)

9 Months Ended

Sep. 30, 2019

LEASE LIABILITIES

Schedule of lease liabilities

​

​	​	​	​	​	​	​
​	​	Total discounted lease liabilities
​	​	September 30, 2019		​	December 31, 2018
Finance leases	​	$	6,588	​	​	6,429
Operating lease	​	​	922	​	$	—
Lease liabilities	​	$	7,510	​	$	6,429
Current portion	​	​	(2,045)	​	​	(1,511)
Long-term portion	​	$	5,465	​	$	4,918

Schedule of lease costs

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​	​	​	​	​	​	​
​	​	Three months ended September 30, 2019		​	Nine months ended September 30, 2019
Finance leases:	​	​	​	​	​	​
Amortization of ROU assets	​	$	353	​	$	829
Interest expense	​	​	156	​	​	444
Total	​	$	509	​	$	1,273
​	​	​	​	​	​	​
Operating lease:	​	​	​	​	​	​
Rent expense	​	$	49	​	$	145

Schedule of undiscounted lease payment obligations, operating lease

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Payments due by period

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2019

2020

2021

2022

2023

Thereafter

Total

Operating lease obligation

​

$

56

​

$

226

​

$

230

​

$

232

​

$

237

​

$

158

​

$

1,139

Finance lease obligations

​

579

​

2,318

​

2,362

​

2,058

​

105

​

—

​

​

7,422

Total future minimum lease payments

​

$

635

​

$

2,544

​

$

2,592

​

$

2,290

​

$

342

​

$

158

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$

8,561

Less: Imputed interest

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(1,051)

Total

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7,510

X

- Definition

Tabular disclosure of lease liabilities.

+ References

No definition available.

+ Details

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Namespace Prefix:	mux_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980

+ Details

Name:	us-gaap_LeaseCostTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
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X

- References

No definition available.

+ Details

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

X

- Definition

Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980

+ Details

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