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7. Oil and Gas Properties (Details-Capitalized Costs)
3 Months Ended
Mar. 31, 2016
USD ($)
Oil and Gas Exploration and Production Industries Disclosures [Abstract]  
Purchases of oil and gas properties and development costs for cash $ 1,149,789
Purchase of oil and gas properties accrued at year-end 6,662,200
Purchase of oil and gas properties accrued at the beginning of the year (6,899,503)
Capitalized asset retirement obligations 0
Total purchase and development costs, oil and gas properties $ 912,486