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7. Asset Retirement Obligation (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Asset Retirement Obligation Disclosure [Abstract]      
Beginning Balance $ 142,040 $ 134,000 $ 0
Incurred during the year 0 0 134,000
Accretion during the year 8,040 8,040 0
Ending Balance $ 150,080 $ 142,040 $ 134,000