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Note 4 - Loans and Allowance for Loan Losses - Nonaccrual Loans and Loans Past Due 90 Days or More and Still Accruing (Details) - USD ($) $ in Thousands | Sep. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Loans past due 90 days and still accruing | $ 968 | $ 327
Nonaccrual | 8,351 | 8,961
Residential Portfolio Segment [Member] |  |
Loans past due 90 days and still accruing | 316 | 132
Nonaccrual | 4,452 | 3,445
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Owner Occupied [Member] |  |
Loans past due 90 days and still accruing |  | 28
Nonaccrual | 308 | 1,571
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Nonowner Occupied [Member] |  |
Loans past due 90 days and still accruing | 21 |
Nonaccrual | 2,624 | 2,506
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] |  |
Loans past due 90 days and still accruing |  |
Nonaccrual | 402 | 527
Commercial and Industrial Portfolio Segment [Member] |  |
Loans past due 90 days and still accruing | 15 |
Nonaccrual | 345 | 867
Consumer Portfolio Segment [Member] | Automobile Loan [Member] |  |
Loans past due 90 days and still accruing | 90 | 121
Nonaccrual | 75 | 5
Consumer Portfolio Segment [Member] | Home Equity Loan [Member] |  |
Loans past due 90 days and still accruing | 390 |
Nonaccrual | 35 | 34
Consumer Portfolio Segment [Member] | Other Consumer Loans [Member] |  |
Loans past due 90 days and still accruing | 136 | 46
Nonaccrual | $ 110 | $ 6

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- Definition Recorded investment in financing receivables that are 90 days or more past due and still accruing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524 + Details
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