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Mineral Properties - Mineral Properties Exploration Expense (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Notes to Financial Statements
Geologic and field expenses	$ 112,000	$ 247,000	$ 138,000	$ 493,000
Administrative	24,000	89,000	46,000	205,000
Total exploration costs	$ 136,000	$ 336,000	$ 184,000	$ 698,000