Note 3 - Fair Value of Financial Instruments (Details) - Fair value hierarchy for its financial liabilities: (USD $)	Sep. 30, 2013		Dec. 31, 2012
Note 3 - Fair Value of Financial Instruments (Details) - Fair value hierarchy for its financial liabilities: [Line Items]
Compensatory stock options not yet issued (1)	$ 166,783	[1]
Accrued warrant liability	3,594,741		4,105,659
Total liabilities	3,761,524		4,105,659
Fair Value, Inputs, Level 1 [Member]
Note 3 - Fair Value of Financial Instruments (Details) - Fair value hierarchy for its financial liabilities: [Line Items]
Compensatory stock options not yet issued (1)		[1]
Fair Value, Inputs, Level 2 [Member]
Note 3 - Fair Value of Financial Instruments (Details) - Fair value hierarchy for its financial liabilities: [Line Items]
Compensatory stock options not yet issued (1)		[1]
Fair Value, Inputs, Level 3 [Member]
Note 3 - Fair Value of Financial Instruments (Details) - Fair value hierarchy for its financial liabilities: [Line Items]
Compensatory stock options not yet issued (1)	166,783	[1]
Accrued warrant liability	3,594,741		4,105,659
Total liabilities	$ 3,761,524		$ 4,105,659

[1] Included in accrued expenses in the accompanying consolidated balance sheets.