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Note 11 - Per Share Data (Tables)
 12 Months Ended
Dec. 31, 2014
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   

Net Loss

   

Shares

   

Per-Share

 
   

(Numerator)

   

(Denominator)

   

Amount

 

For the year ended December 31, 2014:

                       

Basic and Diluted EPS

                       

Net loss

  $ (10,316,317 )     94,895,194     $ (0.11 )
                         

For the year ended December 31, 2013:

                       

Basic and Diluted EPS

                       

Net loss

  $ (13,063,526 )     94,303,264     $ (0.14 )
                         

For the year ended December 31, 2012:

                       

Basic and Diluted EPS

                       

Net loss

  $ (9,732,399 )     89,552,788     $ (0.11 )