SENIOR SECURED CONVERTIBLE NOTES (Details) (USD $)	9 Months Ended
Jan. 31, 2015	Jan. 31, 2014	Apr. 30, 2014
Debt Instrument [Line Items]
Amortization of debt discount, Notes	$ 853,417	$ 4,278,687
Conversion of Senior secured convertible notes to preferred stock	0	(3,114,816)
Senior Secured Convertible Notes [Member]
Debt Instrument [Line Items]
Debt Instrument Carrying Amount			898,338
Debt Instrument, Unamortized Discount			(853,417)
Amortization of debt discount, Notes	853,417
Conversion of Senior secured convertible notes to preferred stock	(898,338)
Secured Debt Current	$ 0		$ 44,921

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

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The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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Carrying value as of the balance sheet date of the portion of long-term, collateralized debt obligations due within one year or the operating cycle, if longer. Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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