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Note 14 - Guarantees, Commitments and Contingencies (Tables) | 3 Months Ended
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Mar. 31, 2018
Notes Tables |
Schedule of Fair Value, Off-balance Sheet Risks [Table Text Block] |
|  | March 3 1 , 201 8 |  |  | December 31, 201 7 |
|  | (Dollars in Thousands) |
Standby letters of credit |  | $ | 180 |  |  | $ | 180 |
Commitments to extend credit |  | $ | 54,250 |  |  | $ | 55,801 |

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