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Note 8 - Loss Per Share (Tables)
6 Months Ended
Jun. 30, 2014
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
For the six months
 ended June 30,
 
   
2013
   
2014
 
             
Net loss
    (13,500,918 )     (7,230,180 )
                 
Dividend Series B Preferred shares
    -       (651,416 )
Net loss available to common shareholders
    (13,500,918 )     (7,881,596 )
Weighted average common shares – Outstanding
    45,319,605       52,446,850  
Basic and diluted  loss available to common shareholders
    (0.30 )     (0.15 )