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Mineral Properties (Tables)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Investment in Mineral Property

(in thousands)	December 31,
	2014	2013
Development (United States)
Mt. Hamilton	$14,641	$12,059
Exploration
La Promesa (Peru)	5	5
Norcan (Mexico)	6	6
Aconchi (Mexico)	5	5
Canta Colorado (Mexico)	3	3
Pachuca (Mexico)	-	20
Total exploration	19	39
Total mineral property	$14,660	$12,098

Capitalized Development Costs

(in thousands)	Year ended December 31,
	2014	2013
Development expenditures	$    1,678	$    1,854
Capitalized interest	633	726
Property payments	250	174
Capitalized depreciation	21	30
Total capitalized costs	$ 2,582	$ 2,784

Exploration Expense

	For the year ended December 31,
(in thousands)	2014	2013
Geologic and field expenses	$197	$311
Administrative	82	486
Total exploration expense	$279	$797

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- Definition

Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

+ References

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-Name Accounting Standards Codification

-Topic 360

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-Section 50

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Tabular disclosure of the capitalized costs of unproved properties and major development projects that are excluded from capitalized costs being amortized. This includes the total costs excluded and, at a minimum, these categories of costs: acquisition costs, exploration costs, development costs in the case of significant development projects, and capitalized interest.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 932

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-10.(c)(7)(ii))

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Exploration expense on mineral properties.

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