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Condensed Consolidated Statements of Operations (Unaudited) (USD $) | 12 Months Ended
--- | ---
Sep. 30, 2012 | Sep. 30, 2011 | Sep. 30, 2010
Income Statement [Abstract] |  |  |
GRANT INCOME AND OTHER | $ 254,610 | $ 956,154 | $ 153,300
OPERATING EXPENSES: |  |  |
Research and development (excluding R&D depreciation of $445,710, $438,738 and $434,030 respectively, included below) | 10,368,695 | 11,745,629 | 11,911,626
Depreciation and amortization | 533,468 | 531,316 | 516,117
General and administrative | 6,595,287 | 6,664,883 | 6,285,810
Total operating expenses | 17,497,450 | 18,941,828 | 18,713,553
OPERATING LOSS | (17,242,840) | (17,985,674) | (18,560,253)
OTHER EXPENSES |  | (12,000,000) |
GAIN ON DERIVATIVE INSTRUMENTS | 1,911,683 | 4,432,148 | 28,843,772
INTEREST INCOME | 116,061 | 164,163 | 362,236
INTEREST EXPENSE | (262,214) | (322,980) | (162,326)
NET (LOSS)/INCOME | (15,477,310) | (25,712,343) | 10,483,429
ISSUANCE OF ADDITIONAL SHARES DUE TO RESET PROVISIONS | (250,000) |  |
MODIFICATION OF WARRANTS | (325,620) | (1,068,369) | (1,532,456)
INDUCEMENT WARRANTS | (1,593,000) |  |
NET LOSS AVAILABLE TO COMMON SHAREHOLDERS | $ (17,645,930) | $ (26,780,712) | $ 8,950,973
NET LOSS PER COMMON SHARE-BASIC | $ (0.07) | $ (0.13) | $ 0.04
NET LOSS PER COMMON SHARE-DILUTED | $ (0.07) | $ (0.15) | $ (0.06)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING-BASIC | 251,836,540 | 208,488,987 | 202,102,859
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING-DILUTED | 251,836,540 | 208,488,987 | 202,102,859

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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1448-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 8 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 07-4 -Paragraph 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 171 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Weighted-Average Number of Common Shares Outstanding -URI http://asc.fasb.org/extlink&oid=6528421 + Details
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