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10. Income Taxes (Details 2) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Deferred tax asset:    
Property, plant, and equipment    $ 79,164
Other 11,151 2,926
Foreign exploration costs 208,855 249,309
Foreign net operating loss carryforward 374,110 390,000
Foreign property, plant, and equipment 217,887  
Federal and state net net operating    
loss carry forward 39,824 65,159
Deferred tax asset 851,827 786,558
Valuation allowance (foreign) (605,496) (390,000)
Valuation allowance (federal)      
Total deferred tax asset 246,331 396,558
Deferred tax liability:    
Property, plant, and equipment (16,880)   
Total deferred tax liability (16,880)   
Net Deferred Tax Asset $ 229,451 $ 396,558