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Note 14 - Earnings / (Loss) Per Share (Tables)
12 Months Ended
Dec. 31, 2013
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
2011
   
2012
   
2013
 
Income:
                 
Net income/(loss)
    1,115,989       (13,198,741 )     (103,424,827 )
Basic earnings per share:
                       
Weighted average common shares – Outstanding
    31,794,381       38,950,100       45,442,841  
Basic earnings/(loss) per share
    0.04       (0.34 )     (2.28 )
Effect of dilutive securities
                       
Non-vested incentive stock awards
    51,699       -       -  
Weighted average common shares – Outstanding
    31,846,080       38,950,100       45,442,841  
Diluted earnings /(loss) per share
    0.04       (0.34 )     (2.28 )