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14. Income Taxes (Details 2) - USD ($) | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Deferred tax asset: |  |
Foreign exploration costs | $ 87,494 | $ 127,936
Foreign net operating loss carryforward | 2,515,954 | 1,926,341
Federal and state net operating loss carry forward | 185,472 | 337,890
Deferred tax asset | 2,788,920 | 2,392,167
Valuation allowance (foreign) | (2,515,954) | (1,926,341)
Valuation allowance (federal) | (90,220) | (266,711)
Total deferred tax asset | 182,746 | 199,115
Deferred tax liability: |  |
Property, plant, and equipment | (181,224) | (197,593)
Other | (1,522) | (1,522)
Total deferred tax liability | (182,746) | (199,115)
Net Deferred Tax Asset | $ 0 | $ 0

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