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Note 8 - Other Intangible Assets (Tables)
12 Months Ended
Dec. 31, 2016
Notes Tables  
Schedule of Intangible Assets and Goodwill [Table Text Block]
 
 
Core
Deposit
Intangible
 
 
Accumulated
Amortization
 
 
Net
Core
Deposit
Intangible
 
                         
Core
Deposit
Intangible
 
 
 
 
 
 
 
 
 
 
 
 
Balance, December 31, 2014
  $
1,056,693
     
(904,681
)    
152,012
 
                         
Amortization Expense
   
-
     
(35,748
)    
(35,748
)
                         
Balance, December 31, 2015
  $
1,056,693
    $
(940,429
)   $
116,264
 
                         
Amortization Expense
 
 
-
 
 
 
(35,749
)
 
 
(35,749
)
                         
Balance,
December
31,
201
6
 
$
1,056,693
 
 
$
(976,178
)
 
$
80,515