Note 6 - Subsequent Events (Details Textual) - USD ($)			1 Months Ended			3 Months Ended
	Feb. 29, 2016	Feb. 13, 2016	Feb. 29, 2016	Feb. 29, 2016	Aug. 31, 2015	Dec. 31, 2015	Feb. 12, 2016
Subsequent Event [Member] | First Closing [Member] | Three-Year Debentures [Member]
Debt Instrument, Term		3 years
Debt Instrument, Face Amount		$ 8,000,000
Debt Conversion, Convertible Shares		47,058,824
Subsequent Event [Member] | First Closing [Member]
Stock Issued During Period, Shares, New Issues		14,705,882
Warrant Expiration Period		5 years
Gross Proceeds from Financing Transaction		$ 10,500,000
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 0.40
Subsequent Event [Member] | Scenario, Forecast [Member] | Three-Year Debentures [Member]
Debt Instrument, Face Amount	$ 4,500,000		$ 4,500,000	$ 4,500,000
Debt Conversion, Convertible Shares	26,470,588		26,470,588	26,470,588
Subsequent Event [Member] | Scenario, Forecast [Member]
Gross Proceeds from Financing Transaction	$ 4,500,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	21,176,470		21,176,470	21,176,470
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 0.40		$ 0.40	$ 0.40
Subsequent Event [Member] | Three-Year Debentures [Member]
Debt Instrument, Interest Rate, Stated Percentage		22.00%
Period after Benchmark Reached		15 days
Net Cash and Short-Term Investment Benchmark		$ 2,100,000
Duration of Moving Average Price		20 days
Average Price Benchmark		$ 0.2125
Weighted Average Trading Price Benchmark		$ 0.17
Consecutive Days of Weighted Average Trading Price		10 days
Subsequent Event [Member] | Series A Warrant [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights							$ 0.68
First Closing [Member] | Three-Year Debentures [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		49,411,765
Scenario, Forecast [Member] | Thirty-Year Debentures [Member]
Repayments of Debt			$ 7,500,000
Scenario, Forecast [Member] | Series A Warrant [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 0.40		$ 0.40	$ 0.40
Scenario, Forecast [Member] | Series B Warrant [Member]
Shares Issued for Cashless Exercise of Warrants			2,500,000
Scenario, Forecast [Member]
Gross Proceeds from Financing Transaction				$ 15,000,000
Investors Ownership Percentage	77.00%		77.00%	77.00%
Proceeds from Warrant Exercises			$ 28,235,000
Series A Warrant [Member]
Warrant Expiration Period					5 years 182 days
Class of Warrant or Right, Number of Securities Called by Warrants or Rights					22,058,823
Class of Warrant or Right, Exercise Price of Warrants or Rights					$ 0.68
Series B Warrant [Member]
Warrant Expiration Period					1 year 180 days
Class of Warrant or Right, Number of Securities Called by Warrants or Rights					12,132,353
Class of Warrant or Right, Exercise Price of Warrants or Rights					$ 0.68
Shares Issued for Cashless Exercise of Warrants						2,134,203