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Note 10 - Options and Warrants to Purchase Common Stock (Tables)
9 Months Ended
Sep. 30, 2014
Options And Warrants To Purchase Common Stock [Abstract]  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
             

Exercise Price

Number Outstanding

   

Weighted Average Contractual Life

 

$ 0.75

    139,340       1.00  

$ 0.78

    213,402       1.34  

$ 0.80

    124,481       1.25  

$ 1.00

    212,000       0.91  

$ 1.15

    461,340       6.58  

$ 1.93

    5,000,000       2.23  

$ 2.00

    54,367       1.84  

$ 1.75

    6,204,930       2.43  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
   

2014

   

2013

 

Dividend Yield

    0%       0%  

Expected Life (years)

    5-6       5-10  

Expected Volatility

    55.70%       63.47-83%  

Risk Free Interest Rate

    1.71-1.90%       0.88-2.57%  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
           

Weighted

 
           

Average

 
           

Exercise

 
   

Shares

   

Price

 
                 

Outstanding at December 31, 2013

    15,878,116     $ 1.03  

Issued

    1,175,000       0.84  

Exercised

    --       --  

Forfeited

    --       --  

Outstanding at September 30, 2014

    17,053,116     $ 1.02  
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

Options Outstanding

   

Options Exercisable

 
       

Weighted

   

Weighted

           

Weighted

 
       

Average

   

Average

           

Average

 

Number

   

Remaining

   

Exercise

   

Number

   

Exercise

 

Outstanding

   

Contractual Life

   

Price

   

Exercisable

   

Price

 
                                     
  7,358,277       4.19     $ 0.70       7,358,277     $ 0.70  
  3,405,134       6.94     $ 0.83       3,355,134     $ 0.83  
  975,000       9.70     $ 0.84       441,667     $ 0.84  
  60,000       1.75     $ 1.00       60,000     $ 1.00  
  300,000       8.89     $ 1.10       100,000     $ 1.10  
  300,000       8.74     $ 1.15       108,333     $ 1.15  
  100,000       3.34     $ 1.24       100,000     $ 1.24  
  115,000       6.49     $ 1.35       115,000     $ 1.35  
  125,000       3.34     $ 1.45       125,000     $ 1.45  
  330,000       7.20     $ 1.55       271,667     $ 1.55  
  7,645       3.34     $ 1.58       7,645     $ 1.58  
  3,077,060       8.15     $ 1.66       3,077,060     $ 1.66  
  900,000       6.89     $ 1.90       900,000     $ 1.90  
  17,053,116       6.13     $ 1.02       16,019,783     $ 1.02