STOCKHOLDERS' EQUITY (Details Textual) - USD ($)			1 Months Ended	3 Months Ended
	Jul. 20, 2015	Jul. 14, 2014	Jun. 30, 2015	Jul. 31, 2015	Jul. 31, 2014	Apr. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Preferred Stock, Par or Stated Value Per Share				$ 0.0001		$ 0.0001
Convertible Preferred Stock, Terms of Conversion				The Company is prohibited from effecting the conversion of the Series H Preferred Stock to the extent that, as a result of such conversion, the holder beneficially owns more than 9.99%, in the aggregate, of the issued and outstanding shares of the Companys Common Stock calculated immediately after giving effect to the issuance of shares of Common Stock upon the conversion of the Series H Preferred Stock.
Purchase Price				$ 1,575,000
Fair Value Of Warrants				$ 1,649,000
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term				5 years
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate				103.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate				1.70%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate				0.00%
Proceeds from Issuance of Warrants				$ 1,575,000
Other Preferred Stock Dividends and Adjustments				$ 703,770	$ 0
Securities Purchase Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	1,279,759
Purchase Price	$ 1,575,000
promissory notes [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unsecured Debt, Current			$ 1,299,000
Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Issued During Period, Shares, Conversion of Units				1,217,989
Common Stock [Member] | Securities Purchase Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share Price	$ 0.1250
Minimum [Member] | Securities Purchase Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	1.63
Maximum [Member] | Securities Purchase Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	1.66
Series H Preferred Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Issued During Period, Shares, New Issues				8,435
Convertible Preferred Stock, Shares Issued upon Conversion				100
Convertible Preferred Stock, Conversion Price				$ 1.54
Series H Preferred Stock [Member] | Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Issued During Period, Shares, Conversion of Units				449,200
Series H Convertible Preferred Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Issued During Period, Shares, New Issues			8,435
Preferred Stock, Par or Stated Value Per Share			$ 0.0001
Series H-1 Preferred Convertible Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Preferred Stock, Par or Stated Value Per Share				$ 166
Convertible Preferred Stock, Terms of Conversion				The Company is prohibited from effecting the conversion of the Series H-1 Preferred Stock to the extent that, as a result of such conversion, the holder or any of its affiliates beneficially owns more than 9.99%, in the aggregate, of the issued and outstanding shares of the Companys Common Stock calculated immediately after giving effect to the issuance of shares of Common Stock upon the conversion of the Series H-1 Preferred Stock.
Convertible Preferred Stock, Conversion Price				$ 1.66
Fair Value Of Convertible Preferred Stock				$ 841,000
Other Preferred Stock Dividends and Adjustments	$ 704,000	$ 704,000
Series H-1 Preferred Convertible Stock [Member] | Securities Purchase Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Preferred Stock, Par or Stated Value Per Share	$ 0.0001
Number Shares To Be Issued	8,532
Series H-1 Preferred Convertible Stock [Member] | Minimum [Member] | Securities Purchase Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Purchase Price	$ 163
Series H-1 Preferred Convertible Stock [Member] | Maximum [Member] | Securities Purchase Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Purchase Price	$ 166