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Note 7 - Earnings Per Share ("EPS") (Tables)
 3 Months Ended
Mar. 31, 2016
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
 
 
Three Months ended
March 31,
 
 
 
2015
 
 
2015
 
                 
Basic Numerator:
 
 
 
 
 
 
 
 
                 
Net loss
   $ (1,163,214
)
   $ (924,103
)
Convertible preferred stock dividends
     (200,625
)
     -  
Net loss available to common stockholders (basic and diluted)
   $ (1,363,839
)
   $ (924,103
)
                 
Basic Denominator
     66,123,757       66,001,260  
                 
Per Share Amount
   $ (0.02
)
   $ (0.01
)
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
 
 
Three Months ended
March 31,
 
 
 
2016
 
 
2015
 
                 
Preferred stock
     65,000,000       -  
Stock options
     6,000       75,760  
Warrants
     -       5,336  
Total
     65,006,000       81,096  
 
 
Three Months Ended
March 31,
 
 
 
2016
 
 
2015
 
                 
Stock options
     3,758,000       3,382,805  
Warrants
     20,455,414       19,047,081  
Total
     24,213,414       22,429,886