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Note 4 - Premises and Equipment, Net (Tables)
12 Months Ended
Dec. 31, 2020
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  

2020

  

2019

 
         

Land and improvements

 $16,533,000  $17,039,000 

Buildings

  56,114,000   52,847,000 

Furniture and equipment

  21,522,000   22,712,000 
   94,169,000   92,598,000 

Less: accumulated depreciation

  35,210,000   35,271,000 
         

Total premises and equipment

 $58,959,000  $57,327,000