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Note 1 - Summary of Significant Accounting Policies (Tables) | 9 Months Ended
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Sep. 30, 2017
Notes Tables |
Estimated Useful Lives and Methods of Depreciation [Table Text Block] |
Description |  | Life in Years |  | Method
Banking Premises |  | 15 | - | 40 |  | Straight-Line and Accelerated
Furniture and Equipment |  | 5 | - | 10 |  | Straight-Line and Accelerated

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