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Note 8 - Related Party Transactions (Detail) (USD $)
 1 Months Ended 6 Months Ended 132 Months Ended 3 Months Ended 1 Months Ended
Jan. 31, 2012
Jun. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Ongoing Patent Cost Reimbursements [Member]
Mar. 31, 2012
Research Agreements [Member]
Mar. 31, 2012
Consulting Agreement [Member]
Jan. 31, 2012
Members of Board of Directors and Management [Member]
Related Party Transaction, Expenses from Transactions with Related Party       $ 84,757 $ 446,561 $ 12,000  
Stock Issued During Period, Shares, New Issues (in Shares) 407,999           45,000
Proceeds from Issuance of Common Stock $ 273,360 $ 310,160 $ 15,836,468       $ 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