Note 2 - Basis of Presentation and Significant Accounting Policies (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
General and Administrative Expense [Member]
Prior Period Reclassification Adjustment, Stock-Based Compensation and Warrant Expense		$ 440,935		$ 699,310
Research and Development Expense [Member]
Prior Period Reclassification Adjustment, Stock-Based Compensation and Warrant Expense		342,997		375,821
Accounts Payable and Accrued Liabilities [Member]
Prior Period Reclassification Adjustment, Loss on Settlement of Issuing Shares for Liabilities				482,373
Income Tax Expense (Benefit)		$ (145,999)	$ 0	(384,128)
Gains (Losses) on Extinguishment of Related Party Debt				(1,829,562)
Gain (Loss) on Settlement of Notes Payable				(876,543)
Prior Period Reclassification Adjustment Income Tax Benefit		$ 145,999		384,128
Prior Period Reclassification Adjustment, Amortization of Prepaid Expense Asset		286,774		860,322
Prior Period Reclassification Adjustment, Stock-Based Compensation and Warrant Expense		783,932		1,075,131
Prior Period Reclassification Adjustment, Employee and Director Stock-Based Compensation NonCash				1,075,131
Prior Period Reclassification Adjustment, Legal and Professional Services		$ 294,390		810,680
Prior Period Reclassification Adjustment, Loss on Settlement of Issuing Shares for Liabilities				408,953
Prior Period Reclassification Adjustment, Notes Payable Settlements				$ 73,420