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Note 11 - Other Income, Net (Detail) (USD $)
1 Months Ended 12 Months Ended
Mar. 31, 2012
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Other Income   $ 529,711 $ 374,977  
Other Operating Income   0   0
Proceeds from Sale of Intangible Assets 500,000 508,800    
Infonautics [Member]
       
Other Income     $ 400,000