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Note 10 - Stockholders' Equity (Details) - Status of the options granted and changes during the year (USD $)
 9 Months Ended 12 Months Ended
Sep. 30, 2013
Dec. 31, 2012
Status of the options granted and changes during the year [Abstract]    
Shares 2,564,130 1,964,130
Weighted Average Exercise Price (in Dollars per share) $ 2.62 $ 2.70
Average Remaining Life 1 year 324 days 2 years 54 days
Intrinsic Value (in Dollars) $ 700,375 $ 0
Vested and expected to vest 2,564,130  
Vested and expected to vest (in Dollars per share) $ 2.62  
Vested and expected to vest 1 year 324 days  
Vested and expected to vest (in Dollars) 700,375  
Exercisable end of period 2,042,753  
Exercisable end of period (in Dollars per share) $ 2.65  
Exercisable end of period 1 year 229 days  
Exercisable end of period (in Dollars) $ 565,375  
Granted 600,000  
Granted (in Dollars per share) $ 2.35  
Granted 3 years 6 months