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Subsequent Events - Additional Information (Detail) (USD $)
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1 Months Ended | 1 Months Ended | ||||||||
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Jun. 30, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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Jul. 03, 2012
Notes Amendment
Installment
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Jul. 03, 2012
Debt Financing, Purchase Agreement
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Jul. 03, 2012
Debt Financing, Purchase Agreement
Warrant exercise price, scenario 1
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Jul. 03, 2012
Debt Financing, Purchase Agreement
Warrant exercise price, scenario 2
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Jul. 06, 2012
Debt Financing, Purchase Agreement
First $1,000,000 tranche
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Jul. 03, 2012
Debt Financing, Purchase Agreement
First $1,000,000 tranche
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Jul. 03, 2012
Management Services
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| Subsequent Event [Line Items] | ||||||||||
| Number of installment | 2 | |||||||||
| Debt instrument interest rate upon receipt of the first $1,000,000 in debt financing | 10.00% | |||||||||
| Debt instrument maturity date | Dec. 31, 2014 | Jun. 30, 2015 | ||||||||
| Maximum borrowing capacity | $ 10,000,000 | |||||||||
| Funded tranche | 300,000 | |||||||||
| Unused Debt | 9,000,000 | 700,000 | ||||||||
| Administrative fee due upon closing of second $1,000,000 in financing | 100,000 | |||||||||
| Debt instrument, interest rate | 15.00% | |||||||||
| Percentage of principal amount to be paid at maturity | 110.00% | |||||||||
| Issuance of warrant equal to tranche amount, percentage | 83.00% | 17.00% | ||||||||
| Warrant exercise price, description | The Exercise Price shall be equal to the lesser of (i) $0.20, (ii) eighty five percent (85%) of the volume weighted average price per share of the Company’s common stock for the fifteen days preceding the issuance of any tranche, or (iii) the trailing ninety (90) net average daily oil production multiplied by $40,000, the product of which is reduced by the Company’s total debt and any obligations or liabilities (the “Net Asset Value”), thereafter divided by the Company’s fully diluted number of common shares outstanding. | |||||||||
| Maximum warrant exercise price | 0.40 | 0.40 | 0.50 | 0.20 | ||||||
| Percentage of volume weighted average price per share of common stock for the fifteen days preceding the issuance of any tranche | 85.00% | |||||||||
| Warrant term | 5 years | |||||||||
| Net asset value needed to be maintained | 500,000 | |||||||||
| Management fee per month | $ 12,000 | |||||||||
| Percentage of any amount undrawn debt as management fee | 2.00% | |||||||||