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Mineral Properties - Properties - Exploration Expense (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Notes to Financial Statements    
Geologic and field expenses $ 311,000 $ 1,307,000
Administrative 486,000 378,000
Mt. Hamilton exploration    301,000
Total exploration expense $ 797,000 $ 1,986,000