v2.4.0.8

MERGER WITH PAN AMERICAN OIL COMPANY, LLC (Details Textual) (USD $)	12 Months Ended		1 Months Ended
	Dec. 31, 2012	Dec. 31, 2012 Series Preferred Stock [Member]	Feb. 14, 2012 Pan American Oil Company, Llc [Member] acre	Feb. 14, 2012 Pan American Oil Company, Llc [Member] Edwards Formation Leasehold [Member]	Feb. 14, 2012 Pan American Oil Company, Llc [Member] Series Preferred Stock [Member]
Stock Issued During Period, Shares, Acquisitions		5,500,000			5,500,000
Stock Issued During Period, Value, Acquisitions					$ 500,000
Gas and Oil Area, Developed, Gross			4,500
Gas and Oil Area, Developed, Net			2,143
Working Capital Interest In Oil and Gas Properties Before Pay Out				63.50%
Working Capital Interest In Oil and Gas Properties After Pay Out				57.00%
Sales Revenue Goods Net Percentage				38.00%
Business Acquisition Cost Of Acquired Entity Liabilities Incurred			120,000	364,000
Business Acquisition, Cost Of Acquired Entity, Cash Paid	113,000		966,000
Net identifiable assets consideration paid			$ 1,600,000

Net identifiable assets consideration paid.

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Reflects the working capital interest acquired in oil and gas properties after pay out.

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Reflects the working capital interest acquired in oil and gas properties before pay out.

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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Area spaced or assigned to productive wells in which a working interest is owned.

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Fractional interest owned based on working interests or other economic arrangements of area spaced or assigned to productive wells.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Number of shares of stock issued during the period pursuant to acquisitions.

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Value of stock issued pursuant to acquisitions during the period.

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Rio Bravo Oil, Inc. 10-Q