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Note 3 - Loans and Allowance for Loan Losses - Allowance Related to Troubled Debt Restructurings (Details) - USD ($) | Jun. 30, 2016 | Dec. 31, 2015
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Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |
Related allowance | $ 131,000 | $ 221,000
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member] |  |
Related allowance | 43,000 | 186,000
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member] |  |
Related allowance | 108,000 | 115,000
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member] |  |
Related allowance | 180,000 | 201,000
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residentia lRental Loan [Member] |  |
Related allowance | 294,000 | 365,000
Commercial Portfolio Segment [Member] |  |
Related allowance | 756,000 | 1,088,000
Retail Portfolio Segment [Member] | Home Equity and Other [Member] |  |
Related allowance | 48,000 | 14,000
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member] |  |
Related allowance | 5,000 | 6,000
Retail Portfolio Segment [Member] |  |
Related allowance | 53,000 | 20,000
Related allowance | $ 809,000 | $ 1,108,000

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- Definition Amount of allowance for credit losses related to receivables which had been measured under a general allowance for credit losses methodology that are now identified as troubled debt restructurings. + References No definition available. + Details
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