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Note 2 - Debt Securities (Tables)
3 Months Ended
Mar. 31, 2019
Notes Tables  
Schedule of Available-for-sale Securities Reconciliation [Table Text Block]
   
March 31, 2019
 
   
Amortized
   
Unrealized
   
Unrealized
   
Fair
 
   
Cost
   
Gains
   
Losses
   
Value
 
(Amounts in thousands)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
U.S. Agency securities
  $
1,079
    $
-
    $
(1
)   $
1,078
 
U.S. Treasury securities
   
-
     
-
     
-
     
-
 
Municipal securities
   
95,810
     
1,231
     
(44
)    
96,997
 
Mortgage-backed Agency securities
   
34,851
     
92
     
(421
)    
34,522
 
Total
  $
131,740
    $
1,323
    $
(466
)   $
132,597
 
   
December 31, 2018
 
   
Amortized
   
Unrealized
   
Unrealized
   
Fair
 
   
Cost
   
Gains
   
Losses
   
Value
 
(Amounts in thousands)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
U.S. Agency securities
  $
1,108
    $
5
    $
-
    $
1,113
 
U.S. Treasury securities
   
19,970
     
-
     
(10
)    
19,960
 
Municipal securities
   
96,886
     
912
     
(509
)    
97,289
 
Mortgage-backed Agency securities
   
35,513
     
14
     
(773
)    
34,754
 
Total
  $
153,477
    $
931
    $
(1,292
)   $
153,116
 
Debt Securities, Held-to-maturity [Table Text Block]
   
December 31, 2018
 
   
Amortized
   
Unrealized
   
Unrealized
   
Fair
 
   
Cost
   
Gains
   
Losses
   
Value
 
(Amounts in thousands)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
U.S. Agency securities
  $
17,887
    $
-
    $
(20
)   $
17,867
 
Corporate securities
   
7,126
     
-
     
(3
)    
7,123
 
Total
  $
25,013
    $
-
    $
(23
)   $
24,990
 
Investments Classified by Contractual Maturity Date [Table Text Block]
   
March 31, 2019
 
   
Amortized
   
 
 
 
(Amounts in thousands)
 
Cost
   
Fair Value
 
Available-for-sale debt securities
 
 
 
 
 
 
 
 
Due within one year
  $
-
    $
-
 
Due after one year but within five years
   
17,977
     
18,188
 
Due after five years but within ten years
   
78,912
     
79,887
 
Due after ten years
   
-
     
-
 
     
96,889
     
98,075
 
Mortgage-backed securities
   
34,851
     
34,522
 
Total debt securities available for sale
  $
131,740
    $
132,597
 
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block]
   
March 31, 2019
 
   
Less than 12 Months
   
12 Months or Longer
   
Total
 
   
Fair
   
Unrealized
   
Fair
   
Unrealized
   
Fair
   
Unrealized
 
   
Value
   
Losses
   
Value
   
Losses
   
Value
   
Losses
 
(Amounts in thousands)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
U.S. Agency securities
  $
1,068
    $
(1
)   $
-
    $
-
    $
1,068
    $
(1
)
Municipal securities
   
-
     
-
     
4,999
     
(44
)    
4,999
     
(44
)
Mortgage-backed Agency securities
   
518
     
(2
)    
16,317
     
(419
)    
16,835
     
(421
)
Total
  $
1,586
    $
(3
)   $
21,316
    $
(463
)   $
22,902
    $
(466
)
   
December 31, 2018
 
   
Less than 12 Months
   
12 Months or Longer
   
Total
 
   
Fair
   
Unrealized
   
Fair
   
Unrealized
   
Fair
   
Unrealized
 
   
Value
   
Losses
   
Value
   
Losses
   
Value
   
Losses
 
(Amounts in thousands)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
U.S. Treasury securities
  $
19,960
    $
(10
)   $
-
    $
-
    $
19,960
    $
(10
)
Municipal securities
   
7,116
     
(62
)    
18,081
     
(447
)    
25,197
     
(509
)
Mortgage-backed Agency securities
   
15,762
     
(99
)    
15,344
     
(674
)    
31,106
     
(773
)
Total
  $
42,838
    $
(171
)   $
33,425
    $
(1,121
)   $
76,263
    $
(1,292
)
Schedule of Held to Maturity Debt Securities [Table Text Block]
   
December 31, 2018
 
   
Less than 12 Months
   
12 Months or Longer
   
Total
 
   
Fair
   
Unrealized
   
Fair
   
Unrealized
   
Fair
   
Unrealized
 
   
Value
   
Losses
   
Value
   
Losses
   
Value
   
Losses
 
(Amounts in thousands)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
U.S. Agency securities
  $
-
    $
-
    $
17,867
    $
(20
)   $
17,867
    $
(20
)
Corporate securities
   
-
     
-
     
7,123
     
(3
)    
7,123
     
(3
)
Total
  $
-
    $
-
    $
24,990
    $
(23
)   $
24,990
    $
(23
)