Note 8 - Related Party Transactions (Detail) (USD $)	1 Months Ended	9 Months Ended	135 Months Ended
	Jan. 31, 2012	Sep. 30, 2012	Sep. 30, 2012
Stock Issued During Period, Shares, New Issues (in Shares)	407,999
Proceeds from Issuance of Common Stock	$ 273,360	$ 310,160	$ 15,836,468
Ongoing Patent Cost Reimbursements [Member]
Related Party Transaction, Expenses from Transactions with Related Party		89,885
Research Agreements [Member]
Related Party Transaction, Expenses from Transactions with Related Party		457,438
Consulting Agreement [Member]
Related Party Transaction, Expenses from Transactions with Related Party		18,000
Members of Board of Directors and Management [Member]
Stock Issued During Period, Shares, New Issues (in Shares)	45,000
Proceeds from Issuance of Common Stock	$ 30,150
Class of Warrant or Right, Purchase Period	5 years
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares)	67,500
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)	1.00