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Note 1 - Summary of Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2019
Notes Tables  
Estimated Useful Lives and Methods of Depreciation [Table Text Block]
Description
 
Life in Years
 
Method
Banking Premises
   
15
-
40
 
Straight-Line and Accelerated
Furniture and Equipment
   
5
-
10
 
Straight-Line and Accelerated