Note 7 - Deposit Liabilities (Tables)
 12 Months Ended
Dec. 31, 2016
Notes Tables  
Deposit Liabilities [Table Text Block]
December 31, (In thousands)
  
2016
    
2015
  
Noninterest Bearing
   $
334,676
     $
313,969
  
                 
Interest Bearing
 
 
 
 
 
 
 
 
Demand
    
348,197
      
328,803
  
Savings
    
416,611
      
400,844
  
Time
    
270,423
      
325,378
  
Total interest bearing
    
1,035,231
      
1,055,025
  
                 
Total Deposits
   $
1,369,907
     $
1,368,994
  
Schedule of Maturities of Time Deposits [Table Text Block]
(In thousands)
  
Amount
  
2017
   $
168,407
  
2018
    
54,791
  
2019
    
24,107
  
2020
    
14,200
  
2021
    
4,951
  
Thereafter
    
3,967
  
Total
   $
270,423