Note 3 - Summary of Significant Accounting Policies (Detail) - The Weighted-Average Anti-Dilutive Common Share Equivalents	3 Months Ended	6 Months Ended
Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Anti-Dilutive Securities	8,689,632	30,513,133	19,701,209	32,695,528
Preferred Stock Series A [Member]
Anti-Dilutive Securities				1,842,000
Preferred Stock Series C and D [Member]
Anti-Dilutive Securities		9,416,692		9,416,692
Convertible Debt Securities [Member]
Anti-Dilutive Securities	811,480	3,443,889	7,850,828	3,409,065
Stock Options [Member]
Anti-Dilutive Securities	1,065,000	2,809,611	1,147,334	3,143,164
Warrant [Member]
Anti-Dilutive Securities	6,813,152	14,842,941	10,703,047	14,884,607

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 07-4

-Paragraph 4

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Diluted Earnings Per Share

-URI http://asc.fasb.org/extlink&oid=6510752

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Contingent Stock Agreement

-URI http://asc.fasb.org/extlink&oid=6508534

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Antidilution

-URI http://asc.fasb.org/extlink&oid=6505113

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 128

-Paragraph 171

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 128

-Paragraph 40

-Subparagraph c

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-Publisher FASB

-Name Accounting Standards Codification

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