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Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Non-Accrual Loans and Past Due Matured Loans - USD ($) | Sep. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Commercial Real Estate |  |
Non accrual loans | $ 383,000 | $ 866,000
Substandard [Member] |  |
Commercial Real Estate |  |
Non accrual loans | 383,000 | 866,000
Non-Accrual Loans [Member] |  |
Commercial Real Estate |  |
Non accrual loans past due | 383,000 | 728,000
Non accrual loans current | 383,000 | 138,000
Non-Accrual Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |
Commercial Real Estate |  |
Non accrual loans past due | 383,000 | 728,000
Commercial Real Estate Portfolio Segment [Member] |  |
Commercial Real Estate |  |
Non accrual loans |  | 138,000
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member] |  |
Commercial Real Estate |  |
Non accrual loans |  | 138,000
Commercial Real Estate Portfolio Segment [Member] | Non-Accrual Loans [Member] |  |
Commercial Real Estate |  |
Non accrual loans current |  | 138,000
Commercial Real Estate Portfolio Segment [Member] | Non-Accrual Loans [Member] | Substandard [Member] |  |
Commercial Real Estate |  |
Non accrual loans current |  | 138,000
Residential Portfolio Segment [Member] |  |
Commercial Real Estate |  |
Non accrual loans | 380,000 | 719,000
Residential Portfolio Segment [Member] | Substandard [Member] |  |
Commercial Real Estate |  |
Non accrual loans | 380,000 | 719,000
Residential Portfolio Segment [Member] | Non-Accrual Loans [Member] |  |
Commercial Real Estate |  |
Non accrual loans past due | 380,000 | 719,000
Non accrual loans current | 380,000 |
Residential Portfolio Segment [Member] | Non-Accrual Loans [Member] | Substandard [Member] |  |
Commercial Real Estate |  |
Non accrual loans past due | 380,000 | 719,000
Residential Portfolio Segment [Member] | Non-Accrual Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |
Commercial Real Estate |  |
Non accrual loans past due | 380,000 | 719,000
Residential Portfolio Segment [Member] | Non-Accrual Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Substandard [Member] |  |
Commercial Real Estate |  |
Non accrual loans past due | 380,000 | 719,000
Consumer Portfolio Segment [Member] |  |
Commercial Real Estate |  |
Non accrual loans | 3,000 | 7,000
Consumer Portfolio Segment [Member] | Substandard [Member] |  |
Commercial Real Estate |  |
Non accrual loans | 3,000 | 7,000
Consumer Portfolio Segment [Member] | Non-Accrual Loans [Member] |  |
Commercial Real Estate |  |
Non accrual loans past due | 3,000 | 7,000
Non accrual loans current | 3,000 |
Consumer Portfolio Segment [Member] | Non-Accrual Loans [Member] | Substandard [Member] |  |
Commercial Real Estate |  |
Non accrual loans past due | 3,000 | 7,000
Consumer Portfolio Segment [Member] | Non-Accrual Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |
Commercial Real Estate |  |
Non accrual loans past due | 3,000 | 7,000
Consumer Portfolio Segment [Member] | Non-Accrual Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Substandard [Member] |  |
Commercial Real Estate |  |
Non accrual loans past due | $ 3,000 | 7,000
Consumer Portfolio Segment [Member] | Non-Accrual and Past Due Loans [Member] |  |
Commercial Real Estate |  |
Non accrual loans |  | 7,000
Commercial Portfolio Segment [Member] |  |
Commercial Real Estate |  |
Non accrual loans |  | 2,000
Commercial Portfolio Segment [Member] | Substandard [Member] |  |
Commercial Real Estate |  |
Non accrual loans |  | 2,000
Commercial Portfolio Segment [Member] | Non-Accrual Loans [Member] |  |
Commercial Real Estate |  |
Non accrual loans past due |  | 2,000
Commercial Portfolio Segment [Member] | Non-Accrual Loans [Member] | Substandard [Member] |  |
Commercial Real Estate |  |
Non accrual loans past due |  | 2,000
Commercial Portfolio Segment [Member] | Non-Accrual Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |
Commercial Real Estate |  |
Non accrual loans past due |  | 2,000
Commercial Portfolio Segment [Member] | Non-Accrual Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Substandard [Member] |  |
Commercial Real Estate |  |
Non accrual loans past due |  | $ 2,000

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