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Note D - Loans and Allowance for Loan Losses (Details Textual) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($)
Increase (Decrease) in Other Loans | $ 8,308 |  |
Change In Troubled Debt Restructurings | 49.00% |  |
Impaired Financing Receivable, Related Allowance | $ 98 | $ 94 | $ 2,981
Loans and Leases Receivable, Impaired, Commitment to Lend | $ 758 | $ 846 |
Financing Receivable, Modifications, Number of Contracts | 0 | 2 | 2
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down |  | $ 0 |
Allowance for Loan and Lease Losses, Period Increase (Decrease), Total |  |  | $ 11
Allowance for Loan and Lease Losses, Write-offs |  |  | 11
Troubled Debt Restrucuturings Placed on Nonaccrual Status, Amount |  |  | $ 226
Financing Receivable, Modified During Period, Amount | $ 28,738 | $ 29,331 |
Minimum Loan Balance For Loans Evaluated by Risk Categories | $ 500 |  |
Percentage of Loan Portfolio | 100.00% | 100.00% |
Troubled Debt Restructurings [Member] |  |  |
Impaired Financing Receivable, Related Allowance | $ 98 | $ 94 |
Unsecured [Member] |  |  |
Percentage of Loan Portfolio | 5.02% | 4.86% |
Residential Portfolio Segment [Member] |  |  |
Real Estate Acquired Through Foreclosure | $ 134 | $ 262 |
Mortgage Loans in Process of Foreclosure, Amount | $ 2,375 | $ 2,410 |
Percentage of Loan Portfolio | 39.13% | 40.19% |
Commercial Real Estate Portfolio Segment [Member] |  |  |
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ 362 |  |
Percentage of Loan Portfolio | 27.84% | 27.74% |

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- Definition The amount of financing receivable modified during the period. + References No definition available. + Details
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- Definition Amount of increase (decrease) of allowance reserve for credit loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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