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Note A - Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2018 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Jan. 01, 2019
Number of Stores |  | 25 |  |  |
Number of Reportable Segments |  | 2 |  |  |
Loans Held-for-sale, Fair Value Disclosure |  | $ 108 | $ 0 |  |
Percentage of Loan Portfolio |  | 100.00% | 100.00% |  |
Due from Banks |  | $ 56,071 |  |  |
Repossessed Assets, Total |  | 430 | $ 1,574 |  |
Servicing Asset, Total |  | $ 368 | $ 360 |  |
Weighted Average Number of Shares Outstanding, Basic, Total |  | 4,725,971 | 4,685,067 | 4,351,748 |
Weighted Average Number Diluted Shares Outstanding Adjustment, Total |  | 0 | 0 | 0 |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent |  | 21.00% | 34.00% |  |
Restricted Cash and Cash Equivalents, Total |  | $ 60,167 | $ 61,915 |  |
Subsequent Event [Member] |  |  |  |  |
Operating Lease, Right-of-Use Asset |  |  |  |  | $ 1,484
Operating Lease, Liability, Total |  |  |  |  | $ 1,484
Accounting Standards Update 2018-02 [Member] |  |  |  |  |
Tax Cuts and Jobs Act, Reclassification from AOCI to Retained Earnings, Tax Effect | $ 173 |  |  |  |
Equipment Furniture and Fixtures [Member] | Minimum [Member] |  |  |  |  |
Property, Plant and Equipment, Useful Life |  | 3 years |  |  |
Equipment Furniture and Fixtures [Member] | Maximum [Member] |  |  |  |  |
Property, Plant and Equipment, Useful Life |  | 8 years |  |  |
Building and Building Improvements [Member] | Minimum [Member] |  |  |  |  |
Property, Plant and Equipment, Useful Life |  | 7 years |  |  |
Building and Building Improvements [Member] | Maximum [Member] |  |  |  |  |
Property, Plant and Equipment, Useful Life |  | 39 years |  |  |
Unsecured [Member] |  |  |  |  |
Percentage of Loan Portfolio |  | 5.02% | 4.86% |  |
Consumer Portfolio Segment [Member] |  |  |  |  |
Period of Actual Loss History Experienced |  | 3 years |  |  |
Percentage of Loan Portfolio |  | 18.46% | 18.15% |  |
Commercial Portfolio Segment [Member] |  |  |  |  |
Period of Actual Loss History Experienced |  | 5 years |  |  |
Percentage of Loan Portfolio |  | 14.57% | 13.92% |  |

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