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Note 19 - Earnings Per Share (Tables)
12 Months Ended
Dec. 31, 2014
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   

2014

   

2013

   

2012

 

Basic

                       

Net income attributable to common shares

  $ 17,331,000     $ 17,033,000     $ 11,505,000  
                         

Weighted average common shares outstanding

    13,510,991       8,710,677       8,625,198  
                         

Basic earnings per common share

  $ 1.28     $ 1.96     $ 1.33  
                         

Diluted

                       

Net income attributable to common shares

  $ 17,331,000     $ 17,033,000     $ 11,505,000  
                         

Weighted average common shares outstanding for basic earnings per common share

    13,510,991       8,710,677       8,625,198  
                         

Add: Dilutive effects of share-based awards

    30,913       14,031       224,429  
                         

Average shares and dilutive potential common shares

    13,541,904       8,724,708       8,849,627  
                         

Diluted earnings per common share

  $ 1.28     $ 1.95     $ 1.30