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Mineral Property - Mineral Property - Investment in Mineral Property (Details) (USD $)
 3 Months Ended 12 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Development (United States)    
Mt. Hamilton   $ 12,059,000
Exploration    
Pachuca (Mexico) 20,000 20,000
Norcan (Mexico) 6,000 6,000
Aconchi (Mexico) 5,000 5,000
Canta Colorado (Mexico) 3,000 3,000
La Promesa (Peru) 5,000 5,000
Total exploration 39,000 39,000
Total mineral property $ 12,744,000 $ 12,098,000