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Note 6 - Investment Securities Available For Sale (Tables)
9 Months Ended
Sep. 30, 2014
Investments, Debt and Equity Securities [Abstract]  
Schedule of Available-for-sale Securities Reconciliation [Table Text Block]
   

September 30, 2014

 
           

Gross

   

Gross

         
   

Amortized

   

Unrealized

   

Unrealized

   

Fair

 

(Dollar amounts in thousands)

 

Cost

   

Gains

   

Losses

   

Value

 
                                 

U.S. government agency securities

  $ 23,323     $ 244     $ (684 )   $ 22,883  

Obligations of states and political subdivisions:

                               

Taxable

    2,955       171       -       3,126  

Tax-exempt

    93,609       3,633       (1,119 )     96,123  

Mortgage-backed securities in government-sponsored entities

    30,080       368       (464 )     29,984  

Private-label mortgage-backed securities

    2,841       281       -       3,122  

Total debt securities

    152,808       4,697       (2,267 )     155,238  

Equity securities in financial institutions

    750       33       -       783  

Total

  $ 153,558     $ 4,730     $ (2,267 )   $ 156,021  
   

December 31, 2013

 
           

Gross

   

Gross

         
   

Amortized

   

Unrealized

   

Unrealized

   

Fair

 

(Dollar amounts in thousands)

 

Cost

   

Gains

   

Losses

   

Value

 
                                 

U.S. government agency securities

  $ 27,289     $ 135     $ (1,661 )   $ 25,763  

Obligations of states and political subdivisions:

                               

Taxable

    3,787       46       (38 )     3,795  

Tax-exempt

    86,524       1,562       (3,267 )     84,819  

Mortgage-backed securities in government-sponsored entities

    38,816       535       (1,028 )     38,323  

Private-label mortgage-backed securities

    3,366       327       -       3,693  

Total debt securities

    159,782       2,605       (5,994 )     156,393  

Equity securities in financial institutions

    750       -       -       750  

Total

  $ 160,532     $ 2,605     $ (5,994 )   $ 157,143  
Investments Classified by Contractual Maturity Date [Table Text Block]
   

Amortized

   

Fair

 

(Dollar amounts in thousands)

 

Cost

   

Value

 
                 

Due in one year or less

  $ 1,340     $ 1,364  

Due after one year through five years

    5,979       6,281  

Due after five years through ten years

    22,075       22,417  

Due after ten years

    123,414       125,176  

Total

  $ 152,808     $ 155,238  
Realized Gain (Loss) on Investments [Table Text Block]

(Dollar amounts in thousands)

  For the Three Months Ended September 30,     For the Nine Months Ended September 30,  
   

2014

   

2013

   

2014

   

2013

 

Proceeds from sales

  $ 6,888     $ -     $ 8,382     $ 8,136  

Gross realized gains

    227       -       291       204  

Gross realized losses

    (37 )     -       (43 )     (29 )
Schedule of Unrealized Loss on Investments [Table Text Block]
   

September 30, 2014

 
   

Less than Twelve Months

   

Twelve Months or Greater

   

Total

 
           

Gross

           

Gross

           

Gross

 
   

Fair

   

Unrealized

   

Fair

   

Unrealized

   

Fair

   

Unrealized

 

(Dollar amounts in thousands)

 

Value

   

Losses

   

Value

   

Losses

   

Value

   

Losses

 
                                                 

U.S. government agency securities

  $ -     $ -     $ 15,636     $ (684 )   $ 15,636     $ (684 )

Obligations of states and political subdivisions

    4,343       (20 )     19,145       (1,099 )     23,488       (1,119 )

Mortgage-backed securities in  government-sponsored entities

    1,068       (5 )     19,707       (459 )     20,775       (464 )
Total   $ 5,411     $ (25 )   $ 54,488     $ (2,242 )   $ 59,899     $ (2,267 )
   

December 31, 2013

 
   

Less than Twelve Months

   

Twelve Months or Greater

   

Total

 
           

Gross

           

Gross

           

Gross

 
   

Fair

   

Unrealized

   

Fair

   

Unrealized

   

Fair

   

Unrealized

 

(Dollar amounts in thousands)

 

Value

   

Losses

   

Value

   

Losses

   

Value

   

Losses

 
                                                 

U.S. government agency securities

  $ 13,130     $ (929 )   $ 7,166     $ (732 )   $ 20,295     $ (1,661 )

Obligations of states and political subdivisions

                                               

Taxable

    1,301       (38 )     -       -       1,301       (38 )

Tax-exempt

    26,743       (2,883 )     2,678       (383 )     29,421       (3,267 )

Mortgage-backed securities in government-sponsored entities

    18,082       (757 )     5,248       (271 )     23,330       (1,028 )
Total   $ 59,255     $ (4,608 )   $ 15,092     $ (1,386 )   $ 74,347     $ (5,994 )