7. NOTES PAYABLE (Details) (USD $) | 9 Months Ended | | 0 Months Ended | 1 Months Ended | | 0 Months Ended | | | | 1 Months Ended | 0 Months Ended | 1 Months Ended | 2 Months Ended | 3 Months Ended | 9 Months Ended | | | | | | | 9 Months Ended | | 9 Months Ended | | 1 Months Ended | 0 Months Ended | |
Jan. 31, 2014 | Jan. 31, 2013 | Apr. 30, 2013 | Mar. 04, 2014 | Mar. 04, 2014 | Mar. 04, 2014 | Mar. 14, 2014 | Mar. 14, 2014 | Mar. 14, 2014 | Feb. 28, 2014 | Feb. 28, 2014 | Feb. 28, 2014 | Feb. 28, 2014 | Aug. 15, 2012 | Jan. 31, 2014 | Jan. 31, 2014 | Jan. 31, 2014 | Aug. 15, 2012 | Jan. 31, 2014 | Jan. 31, 2014 | Jul. 31, 2013 | Jan. 31, 2014 | Jan. 23, 2014 | Dec. 20, 2013 | Jul. 03, 2013 | Jun. 19, 2013 | 23-May-13 | 7-May-13 | Jan. 31, 2014 | Aug. 15, 2012 | Jan. 31, 2014 | Aug. 15, 2012 | Jan. 31, 2014 | Sep. 14, 2011 | Jan. 31, 2014 |
Subsequent Event [Member] | Subsequent Event [Member] | Subsequent Event [Member] | Subsequent Event [Member] | Subsequent Event [Member] | Subsequent Event [Member] | Subsequent Event [Member] | Subsequent Event [Member] | Subsequent Event [Member] | Subsequent Event [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Inputs, Level 3 [Member] | 10% Convertible Notes [Member] | 10% Convertible Notes [Member] | 10% Convertible Notes [Member] | 10% Convertible Notes [Member] | 10% Convertible Notes [Member] | 10% Convertible Notes [Member] | 10% Convertible Notes [Member] | 10% Convertible Notes [Member] | 10% Convertible Notes [Member] | 10% Convertible Notes [Member] | 10% Convertible Notes [Member] | 10% Convertible Notes [Member] | 10% Convertible Notes [Member] | 10% Convertible Notes [Member] | 10% Convertible Notes [Member] | 10% Convertible Notes [Member] | 10% Convertible Notes [Member] | 12% Convertible Notes [Member] | 6% Convertible Notes [Member] | 6% Convertible Notes [Member] |
10% Convertible Notes [Member] | 10% Convertible Notes [Member] | 10% Convertible Notes [Member] | 10% Convertible Notes [Member] | 10% Convertible Notes [Member] | 10% Convertible Notes [Member] | 12% Convertible Notes [Member] | 12% Convertible Notes [Member] | 12% Convertible Notes [Member] | 12% Convertible Notes [Member] | 10% Convertible Notes [Member] | | Convertible Note 1 [Member] | Convertible Note 2 [Member] | | | | | | | | | | | | Maximum [Member] | Maximum [Member] | Minimum [Member] | Minimum [Member] | | | |
Convertible Note 1 [Member] | Convertible Note 2 [Member] | | | Maximum [Member] | Minimum [Member] | Convertible Note 1 [Member] | Convertible Note 2 [Member] | | Maximum [Member] | | | | | | | | | | | | | | | | | | | | | | |
7. NOTES PAYABLE (Details) [Line Items] | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Debt Instrument, Interest Rate, Stated Percentage | ' | ' | ' | ' | ' | ' | ' | ' | ' | 12.00% | 12.00% | ' | ' | ' | ' | ' | ' | ' | 10.00% | 10.00% | ' | 10.00% | ' | ' | ' | ' | ' | ' | ' | 10.00% | ' | 0.00% | ' | 6.00% | ' |
Debt Instrument, Face Amount | ' | ' | ' | ' | ' | ' | ' | ' | ' | $1,155,000 | $1,155,000 | ' | ' | ' | ' | ' | ' | ' | $2,750,000 | $2,750,000 | ' | $2,750,000 | ' | ' | ' | ' | ' | ' | ' | $555,000 | ' | ' | ' | $1,500,000 | ' |
Debt Instrument, Increase (Decrease), Net | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 500,000 | 500,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 1,000,000 | ' | ' |
Number of Note Holders | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 2 | ' | ' |
Repayments of Convertible Debt | 515,000 | 0 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 257,500 | 257,500 | ' | 515,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Interest Paid | 485,103 | 33,453 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 242,500 | 242,500 | ' | 485,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Debt Instrument, Collateral | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 'The new notes are collateralized by a security interest in the oil and gas properties held by JHE. | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Debt Instrument, Payment Required from Sale of Assets, Percentage | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 70.00% | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Stock Issued During Period, Shares, Other (in Shares) | ' | ' | ' | 2,500,000 | 2,500,000 | 5,000,000 | ' | ' | ' | ' | ' | 5,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Shares Repurchased, Price Per Share (in Dollars per share) | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $0.15 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Class of Warrant or Rights, Granted (in Shares) | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 2,500,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per share) | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $0.05 | $0.10 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Class of Warrants or Rights, Call of Warrants or Rights, Term | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | '6 months | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Debt Instrument, Periodic Payment, Principal | ' | ' | ' | ' | ' | ' | ' | ' | ' | 500,000 | 500,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Debt Instrument, Original Issue Discount Rate | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 10.00% | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Debt Instrument, Unamortized Discount | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 55,000 | 28,803 | 28,803 | ' | 28,803 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 76,027 |
Debt Instrument, Convertible, Terms of Conversion Feature | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 'The note is convertible into common shares at the lesser of $0.55 or at a share value of 75% of the lowest closing share price for the 25 days preceding a conversion. | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Proceeds from (Repayments of) Debt | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 50,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Long-term Debt, Current Maturities | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 32,925 | 32,925 | ' | 32,925 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Debt Instrument, Term | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | '90 days | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Interest Payable, Current | 227,890 | ' | 436,890 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 5,000 | 5,000 | ' | 5,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Debt Issuance Cost | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 1,050 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Derivative Liability, Current | 29,292 | ' | 63,671 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 83,185 | 29,292 | ' | ' | ' | 29,292 | 29,292 | ' | 29,292 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Embedded Derivative, Gain on Embedded Derivative | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 67,840 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Fair Value Assumptions, Expected Volatility Rate | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 280.44% | ' | 199.51% | ' | ' | ' | ' |
Fair Value Assumptions, Risk Free Interest Rate | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0.10% | ' | 0.13% | ' | ' | ' | ' |
Fair Value Assumptions, Expected Dividend Rate | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 0.00% | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Debt Conversion, Original Debt, Amount | ' | ' | ' | ' | ' | ' | 23,880 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 28,125 | 82,838 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Debt Conversion, Converted Instrument, Shares Issued (in Shares) | ' | ' | ' | ' | ' | ' | 4,000,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 2,700,000 | 2,296,749 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Debt Instrument, Convertible, Conversion Price (in Dollars per share) | ' | ' | ' | ' | ' | ' | ' | $0.01 | $0.01 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $0.08 | $0.02 | $0.02 | $0.02 | $0.05 | $0.05 | ' | ' | ' | ' | ' | $1.50 | ' |
Debt Instrument, Convertible, Beneficial Conversion Feature | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $370,000 | ' |