XML 16 R33.htm IDEA: XBRL DOCUMENT v2.4.0.8
Mineral Properties - Mineral Properties Investment in Mineral Properties (Details) (USD $)
 6 Months Ended 12 Months Ended
Jun. 30, 2014
Dec. 31, 2013
Development (United States)    
Mt. Hamilton $ 13,317,000 $ 12,059,000
Exploration    
Pachuca (Mexico)    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 19,000 39,000
Total mineral property $ 13,336,000 $ 12,098,000