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Note N - Equity (Detail) - Summary of Warrant Activity (USD $)
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2012
Dec. 31, 2010
Outstanding 8,250,000 8,250,000 10,261,615
Outstanding (in Dollars per share) $ 0.30 $ 0.30 $ 0.32
Outstanding 3 years 354 days 2 years 354 days  
Vested or expected to vest at December 31, 2012   8,250,000  
Vested or expected to vest at December 31, 2012 (in Dollars per share)   $ 0.30  
Vested or expected to vest at December 31, 2012   2 years 354 days  
Exercisable at December 31, 2012   8,250,000  
Exercisable at December 31, 2012 (in Dollars per share)   $ 0.30  
Exercisable at December 31, 2012   2 years 354 days  
Expired (2,011,615)    
Expired (in Dollars per share) $ 0.39