8. STOCKHOLDERS EQUITY (Details) (USD $)	3 Months Ended
	Jul. 31, 2013
Stockholders Equity Details
Number of Warrants Outstanding, Beginning	759,410
Number of Warrants Issued	2,806,887
Number of Warrants Forfeited	(1,661)
Number of Warrants Outstanding, Ending	3,564,636
Weighted Average Exercise Price Outstanding, Beginning	$ 11.00
Weighted Average Exercise Price Issued	$ 2.60
Weighted Average Exercise Price Forfeited	$ 126.00
Weighted Average Exercise Price Outstanding, Ending	$ 3.60