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