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Note 9 - Revenue From Contracts With Customers (Tables)
3 Months Ended
Mar. 31, 2019
Notes Tables  
Disaggregation of Revenue [Table Text Block]
    Three Months Ended
March 31,
 
    2019     2018  
    (In thousands)  
             
Service charges on deposit accounts   $
461
    $
509
 
ATM and debit card fees    
647
     
600
 
Investment advisory income    
98
     
88
 
Other    
34
     
35
 
Revenue from contracts with customers    
1,240
     
1,232
 
                 
Net gains on loans and investments    
192
     
241
 
Increase in cash value of life insurance    
48
     
43
 
Other    
25
     
10
 
Other noninterest income    
265
     
294
 
                 
Total noninterest income   $
1,505
    $
1,526