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Note 5 - Acquisition (Detail) (USD $)
 9 Months Ended 1 Months Ended 1 Months Ended
Sep. 30, 2012
Mar. 31, 2012
Warrants For Cornerstone Acquisition Exercisable January 1, 2012 - December 31, 2016 [Member]
Mar. 31, 2012
Warrants for Cornerstone Acquisition Exercisable July 1, 2012 through June 30, 2017 [Member]
Mar. 31, 2012
Warrants For Cornerstone Acquisition Exercisable January 2, 2013 through December 31, 2017 [Member]
Mar. 31, 2012
Warrants For Cornerstone Acquisition [Member]
Mar. 30, 2012
Warrants For Cornerstone Acquisition [Member]
Mar. 31, 2012
Cornerstone Acquisition [Member]
Mar. 30, 2012
Cornerstone Acquisition [Member]
Business Acquisition, Percentage of Voting Interests Acquired               100.00%
Stock Issued During Period, Shares, Acquisitions             2,260,000  
Business Acquisition, Share Price (in Dollars per share) $ 1.37             $ 1.37
Exercise Period of Warrants (in years)             three  
Warrants Issued In Connection With Transaction (in Shares)   100,000 100,000 100,000 300,000   300,000  
Exercise Price Of Warrants Issued In Transaction (in Dollars per share)   $ 2.00 $ 3.00 $ 4.00        
Issuance Of Warrants In Business Acquisition, Value (in Dollars)           $ 201,000    
Equity Issued in Business Combination, Fair Value Disclosure (in Dollars)               3,297,200
Amortization of Acquired Intangible Assets (in Dollars) $ 109,907