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Note 10 - Financial Instruments with Off-balance Sheet Risk (Tables)
9 Months Ended
Sep. 30, 2016
Notes Tables  
Schedule of Commitment to Extended Credit [Table Text Block]
Commitments to extend credit:
 
(in thousands)
 
Future loan commitments
  $ 17,833  
Home equity lines of credit
    21,303  
Unused lines of credit
    14,742  
Undisbursed construction loans
    19,574  
Financial standby letters of credit
    1,313  
    $ 74,765