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9. Major Customers (Details Narrative)
12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2013
Risks and Uncertainties [Abstract]      
Major customer, percent of total oil and gas revenues 17.00% 22.00% 26.00%
Major customer, total oil and gas accounts receivable 19.00% 25.00% 24.00%
Major customer, quantity 1 1 1