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PROPERTY AND EQUIPMENT (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
PROPERTY AND EQUIPMENT
Subtotal	$ 20,482	$ 22,122
Less: accumulated depreciation	(4,723)	(4,226)
Total	15,759	17,896
Depreciation expense	942	979	$ 942
Trucks and trailers
PROPERTY AND EQUIPMENT
Subtotal	1,065	1,012
Office furniture and equipment
PROPERTY AND EQUIPMENT
Subtotal	1,543	1,404
Leasehold Improvements
PROPERTY AND EQUIPMENT
Subtotal	661	661
Drill rigs
PROPERTY AND EQUIPMENT
Subtotal	1,061	998
Building
PROPERTY AND EQUIPMENT
Subtotal	1,514	1,514
Land
PROPERTY AND EQUIPMENT
Subtotal	8,699	8,699
Mining equipment
PROPERTY AND EQUIPMENT
Subtotal	1,625	1,548
Construction in process
PROPERTY AND EQUIPMENT
Subtotal	$ 4,314	$ 6,286

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 14
-Article 5

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- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 360
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-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 210
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 13
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-Publisher SEC
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