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Major Customers (Details Narrative) | 12 Months Ended
--- | ---
Mar. 31, 2013 Decimal | Mar. 31, 2012 Decimal | Mar. 31, 2011 Decimal
Risks and Uncertainties [Abstract] |  |  |
Major customer, percent of total oil and gas revenues | 26.00% | 22.00% | 28.00%
Major customer, total oil and gas accounts receivable | 24.00% | 24.00% | 25.00%
Major customer, quantity | 1 | 1 | 2

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