BASIS OF PRESENTATION AND LIQUIDITY (Details Textual) - Range [Domain] - USD ($)	1 Months Ended			12 Months Ended
	Apr. 18, 2015	Nov. 20, 2014	Sep. 30, 2014	Apr. 30, 2015	Apr. 30, 2014	Jun. 30, 2015	Jun. 03, 2015	Apr. 30, 2013
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Assets, Current, Total				$ 14,005,704	$ 16,608,595
Liabilities, Current, Total				15,252,018	15,997,839
Working Capital Deficiency				$ 1,246,000		$ 611,000
Percentage Of International Operation				60.00%
Conversion of Notes				$ 0	$ (3,114,816)
Common Stock, Shares Authorized				100,000,000	100,000,000
Convertible Notes Payable, Current				$ 1,703,000	$ 0	1,703,000
Preferred Stock Conversions, Inducements				5,492,842	0
Gains Losses On Settlement Of Debt				1,401,516	0
Cash received on section 16 settlement				$ 650,000	$ 0
Stockholders' Equity, Reverse Stock Split	one-for-twenty two
Common Stock, Shares, Issued	19,508,727			982,660	632,417
Common Stock Shares Issued Decrease	886,760
Common Stock Shares Outstanding Increase	888,132
Stock Issued During Period, Shares, Stock Splits	1,372
Preferred Stock, Shares Issued				2,088
Disposal Group, Including Discontinued Operation, Liabilities, Current				$ 5,710,807	$ 7,513,356	5,711,000
Accounts Payable and Accrued Liabilities, Current, Total				5,409,361	3,826,049	5,409,000
Dividends Payable, Current				677,546	72,034	678,000
Cash and Cash Equivalents, at Carrying Value, Total				2,364,360	2,177,070	2,364,000		$ 1,410,223
Common Stock, Value, Issued				98	$ 63
Suisun Operation [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Long-term Line of Credit				$ 1,000,000
Exchange Agreement [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Conversion of Notes		$ 313,568
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		1,011,397
September Exchange Agreement [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Conversion of Notes			$ 145,362
Class of Warrant or Right, Number of Securities Called by Warrants or Rights			488,603
Preferred Stock Conversions, Inducements			$ 1,871,000
November Exchange Agreements [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Preferred Stock Conversions, Inducements		$ 3,622,000
Series F Preferred Stock [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Conversion of Notes			$ 5,268
Preferred Stock, Shares Issued				5,268	0
Series F Preferred Stock [Member] | September Exchange Agreement [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Sale of Stock, Price Per Share			$ 0.001
Series E Preferred Stock [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Preferred Stock, Shares Issued				0	2,438
Series E Preferred Stock [Member] | Exchange Agreement [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Convertible Preferred Stock, Shares Issued upon Conversion		1,644
Convertible Notes Payable, Current		$ 1,644,000
Series E Preferred Stock [Member] | September Exchange Agreement [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Convertible Preferred Stock, Shares Issued upon Conversion			794
Convertible Notes Payable, Current			$ 794,000
Series G Preferred Stock [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Preferred Stock, Shares Issued				2,088	0
Series G Preferred Stock [Member] | September Exchange Agreement [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Sale of Stock, Price Per Share			$ 0.001
Conversion of Notes			$ 1,060
Class of Warrant or Right, Number of Securities Called by Warrants or Rights			1,028
Series F1 Preferred Stock [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Preferred Stock Conversions, Inducements				$ 241,000
Preferred Stock, Shares Issued				190
Series F1 Preferred Stock [Member] | Exchange Agreement [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Shares Issued, Price Per Share		$ 0.001
Debt Conversion, Converted Instrument, Shares Issued		11,175
Preferred Stock, Conversion Basis		Under the terms of the Series F-1 Certificate of Designation, each share of Series F-1 Preferred Stock has a stated value of $1,000 and is convertible into shares of Common Stock equal to the stated value (and all accrued but unpaid dividends) divided by the conversion price of $1.00 per share (subject to adjustment in the event of stock splits and dividends).
Preferred Stock, Dividend Rate, Percentage		8.00%
Preferred Stock Beneficial Conversion Percentage		9.99%
Series G1 Preferred Stock [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Preferred Stock, Shares Issued				805
Series G1 Preferred Stock [Member] | Exchange Agreement [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Shares Issued, Price Per Share		$ 0.001
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		1,248
Debt Conversion, Converted Instrument, Shares Issued		2,194
Preferred Stock, Conversion Basis		Under the terms of the Series G-1 Certificate of Designation, each share of Series G-1 Preferred Stock has a stated value of $1,000 and is convertible into shares of Common Stock equal to the stated value (and all accrued but unpaid dividends) divided by the conversion price of $0.815 per share (subject to adjustment in the event of stock splits and dividends).
Preferred Stock, Dividend Rate, Percentage		8.00%
Preferred Stock Beneficial Conversion Percentage		9.99%
Series H-1 Preferred [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Purchase Price				$ 1,575,000
2012 Warrant [Member] | Exchange Agreement [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		1,161,567
2012 Warrant [Member] | September Exchange Agreement [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights			710,248
Amendment Warrant [Member] | September Exchange Agreement [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights			61,760
2013 Warrant [Member] | Exchange Agreement [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		1,161,567
Hudson Bay [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Gains Losses On Settlement Of Debt				1,402,000
Cash received on section 16 settlement				650,000
Forgiveness of Notes				735,000
Make Whole Forgiveness on Convertible Preferred Notes				17,000
Dividend Payable [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Common Stock, Value, Issued				500,000
Short Term Promissory Notes [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Short-term Debt				2,438,000
Debt Instrument, Settlement on Debt				735,000
Debt Instrument, Remaining Debt				1,703,000
Debt Instrument, Settlement on Debt One				1,299,000
Debt Instrument, Paid In Cash				4,000
Short Term Promissory Notes [Member] | Series H Preferred Stock [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Debt Instrument, Convertible, Preferred Stock				$ 400,000
Subsequent Event [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Long-term Line of Credit						$ 1,000,000
Subsequent Event [Member] | China Operations [Member] | Halcyon Coast Investment [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Equity Method Investment, Ownership Percentage							60.00%
Discontinued Operation Sale Price							$ 1,500,000
Purchase Agreement Deposit Amount							$ 150,000