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Note 13 - Earnings Per Share (Tables)
3 Months Ended 12 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Earnings Per Share [Abstract]    
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
(in thousands)
 
Three months ended
March 31, 2014
 
Weighted average shares outstanding:
     
Basic
    107,160  
Convertible securities
    - 1
Diluted
    107,160  
(in thousands)
 
2013
 
Weighted average shares outstanding:
     
Basic
    92,563  
Convertible securities
    - 1
Diluted
    92,563