SENIOR SECURED CONVERTIBLE NOTES (Details Textual) (USD $)	0 Months Ended		12 Months Ended
	Dec. 04, 2012	Dec. 05, 2012	Apr. 30, 2013	Apr. 30, 2012
Shares issued to purchase warrants		2,274,796	2,274,795
Legal Fees			$ 100,000
Line of Credit Facility, Interest Rate During Period			4.00%
Debt Instrument, Fee Amount			5,000
Debt Instrument, Frequency of Periodic Payment			Quarterly
Warrant Term			5 years
Warrant Exercise Price	$ 3.2970
Adjusted Average Bid Price			85.00%
Debt Instrument Exercisable Exercises Percentage			19.90%
Debt Instrument, Exercisable, Maximum Exercises Percentage			9.99%
Debt Instrument, Convertible, Conversion Price			$ 2.1539
Common stock, shares authorized			14,285,715	14,285,715
Debt Instrument, Covenant Description			0.6 to 1.0
Restriction Of Converting Notes and Exercising Warrants Prior Stock Holder Approval			19.90%
Restriction Of Converting Notes and Exercising Warrants With Stock Holder Approval			Buyers are permitted to convert the Notes and/or exercise the Warrants in excess of 19.9% of the issued and outstanding shares of the Company's Common Stock at a price that less than the greater of book or market value.
Basis Of Redeemption Of Notes			If an event of default under the Notes occurs, upon the request of the holder of the Note, the Company will be required to redeem all or any portion of the Notes (including all accrued and unpaid interest), in cash, at a price equal to the greater of (i) up to 125% of the amount being converted, depending on the nature of the default, and (ii) the product of (a) the number of shares of Common Stock issuable upon conversion of the Notes, times (b) 125% of the highest closing sale price of the Common Stock during the period beginning on the date immediately preceding such event of default and ending on the trading day immediately prior to the trading day that the redemption price is paid by the Company.
Redemption Price To Principal and Interest Percentage			120.00%
Filing Registration Statement Default Of Violation Or Event Of Default			it is required to pay the Buyers a registration delay payment in cash equal to 2% of the Buyer’s original principal amount stated on such Investors’ Note as of the Closing Date on the date of each failure, and on ever thirty (30) day anniversary of the of the respective failures (Registration Delay Payment)
Before Amendment [Member]
Common stock, shares authorized			3,571,429
After Amendment [Member]
Common stock, shares authorized			14,285,714
Maximum [Member]
Period Of Redeemption Of Outstanding Notes			30 trading days
Delay Payments In Cash Equal To Original Principal Amount Percentage			10.00%
Minimum [Member]
Period Of Redeemption Of Outstanding Notes			20 trading days
Delay Payments In Cash Equal To Original Principal Amount Percentage			2.00%
Convertible Notes Payable [Member] | Subsequent Event [Member]
Debt Instrument, Face Amount	4,000,000
Shares issued to purchase warrants	2,274,796
Proceeds from Notes Payable	4,000,000
Proceeds from (Payments for) Deposits Applied to Debt Retirements	2,178,516
Repayments of Debt			2,000,000
Interest and Debt Expense			$ 78,516
Debt Instrument, Convertible, Conversion Price	$ 2.6376