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Note 6 - Loans and Allowance for Loan Losses - Analysis of Non-accruing Loans (Details) - USD ($) | Jun. 30, 2016 | Dec. 31, 2015
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Real Estate [Member] | Construction, Land Development and Other Land Loans [Member] |  |
Total loans | $ 126,000 | $ 339,000
Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] |  |
Total loans | 1,032,000 | 968,000
Real Estate [Member] | Secured by Multi-family Residential Properties [Member] |  |
Total loans |  | 0
Real Estate [Member] | Secured by Non-farm, Non-residential Properties [Member] |  |
Total loans | 70,000 | 213,000
Commercial and Industrial Loans [Member] |  |
Total loans | 82,000 | 47,000
Consumer Portfolio Segment [Member] |  |
Total loans | 1,309,000 | 1,535,000
Total loans | $ 2,619,000 | $ 3,102,000

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