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Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans - USD ($) | Jun. 30, 2015 | Dec. 31, 2014 | Jun. 30, 2014
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Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current | $ 493,913,000 | $ 476,908,000 | $ 407,345,000
Non-accrual loans | 493,913,000 | 476,908,000 | 407,345,000
Loans | 511,000 | 866,000 |
Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current | 479,220,000 | 463,914,000 |
Non-accrual loans | 479,220,000 | 463,914,000 |
Special Mention [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current | 7,061,000 | 4,049,000 |
Non-accrual loans | 7,061,000 | 4,049,000 |
Substandard [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current | 7,632,000 | 8,945,000 |
Non-accrual loans | 7,632,000 | 8,945,000 |
Loans | 511,000 | 866,000 |
Construction Portfolio Segment [Member] | Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current | 8,878,000 | 3,096,000 |
Non-accrual loans | 8,878,000 | 3,096,000 |
Construction to Permanent Portfolio Segment [Member] | Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current |  | 10,627,000 |
Non-accrual loans |  | 10,627,000 |
Performing Financial Instruments [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 4,015,000 | 5,469,000 |
Performing (accruing) loans current | 493,402,000 | 476,042,000 |
Performing (accruing) loans | 489,387,000 | 470,573,000 |
Non-accrual loans | 493,402,000 | 476,042,000 |
Performing Financial Instruments [Member] | Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 4,015,000 | 3,613,000 |
Performing (accruing) loans current | 479,220,000 | 463,914,000 |
Performing (accruing) loans | 475,205,000 | 460,301,000 |
Non-accrual loans | 479,220,000 | 463,914,000 |
Performing Financial Instruments [Member] | Special Mention [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due |  | 1,041,000 |
Performing (accruing) loans current | 7,061,000 | 4,049,000 |
Performing (accruing) loans | 7,061,000 | 3,008,000 |
Non-accrual loans | 7,061,000 | 4,049,000 |
Performing Financial Instruments [Member] | Substandard [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due |  | 815,000 |
Performing (accruing) loans current | 7,121,000 | 8,079,000 |
Performing (accruing) loans | 7,121,000 | 7,264,000 |
Non-accrual loans | 7,121,000 | 8,079,000 |
Performing Financial Instruments [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 2,300,000 | 2,733,000 |
Performing Financial Instruments [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 2,300,000 | 1,692,000 |
Performing Financial Instruments [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Special Mention [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due |  | 1,041,000 |
Performing Financial Instruments [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 186,000 | 904,000 |
Performing Financial Instruments [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 186,000 | 89,000 |
Performing Financial Instruments [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Substandard [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due |  | 815,000 |
Performing Financial Instruments [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 1,529,000 | 1,832,000 |
Performing Financial Instruments [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 1,529,000 | 1,832,000 |
Performing Financial Instruments [Member] | Construction Portfolio Segment [Member] | Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current | 8,878,000 | 3,096,000 |
Performing (accruing) loans | 8,878,000 | 3,096,000 |
Non-accrual loans | 8,878,000 | 3,096,000 |
Performing Financial Instruments [Member] | Construction to Permanent Portfolio Segment [Member] | Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current |  | 10,627,000 |
Performing (accruing) loans |  | 10,627,000 |
Non-accrual loans |  | 10,627,000 |
Commercial Portfolio Segment [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current | 56,960,000 | 53,973,000 | 37,849,000
Non-accrual loans | 56,960,000 | 53,973,000 | 37,849,000
Loans |  | 2,000 |
Commercial Portfolio Segment [Member] | Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current | 51,451,000 | 48,078,000 |
Non-accrual loans | 51,451,000 | 48,078,000 |
Commercial Portfolio Segment [Member] | Special Mention [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current | 106,000 | 121,000 |
Non-accrual loans | 106,000 | 121,000 |
Commercial Portfolio Segment [Member] | Substandard [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current | 5,403,000 | 5,774,000 |
Non-accrual loans | 5,403,000 | 5,774,000 |
Loans |  | 2,000 |
Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 1,976,000 | 1,799,000 |
Performing (accruing) loans current | 56,960,000 | 53,971,000 |
Performing (accruing) loans | 54,984,000 | 52,172,000 |
Non-accrual loans | 56,960,000 | 53,971,000 |
Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] | Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 1,976,000 | 1,799,000 |
Performing (accruing) loans current | 51,451,000 | 48,078,000 |
Performing (accruing) loans | 49,475,000 | 46,279,000 |
Non-accrual loans | 51,451,000 | 48,078,000 |
Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] | Special Mention [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current | 106,000 | 121,000 |
Performing (accruing) loans | 106,000 | 121,000 |
Non-accrual loans | 106,000 | 121,000 |
Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] | Substandard [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current | 5,403,000 | 5,772,000 |
Performing (accruing) loans | 5,403,000 | 5,772,000 |
Non-accrual loans | 5,403,000 | 5,772,000 |
Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 1,976,000 | 1,520,000 |
Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 1,976,000 | 1,520,000 |
Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due |  | 279,000 |
Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due |  | 279,000 |
Commercial Real Estate Portfolio Segment [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current | 273,653,000 | 254,505,000 | 219,762,000
Non-accrual loans | 273,653,000 | 254,505,000 | 219,762,000
Loans | 131,000 | 138,000 |
Commercial Real Estate Portfolio Segment [Member] | Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current | 264,849,000 | 248,132,000 |
Non-accrual loans | 264,849,000 | 248,132,000 |
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current | 6,955,000 | 3,928,000 |
Non-accrual loans | 6,955,000 | 3,928,000 |
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current | 1,849,000 | 2,445,000 |
Non-accrual loans | 1,849,000 | 2,445,000 |
Loans | 131,000 | 138,000 |
Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 138,000 | 1,856,000 |
Performing (accruing) loans current | 273,522,000 | 254,367,000 |
Performing (accruing) loans | 273,384,000 | 252,511,000 |
Non-accrual loans | 273,522,000 | 254,367,000 |
Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] | Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 138,000 |  |
Performing (accruing) loans current | 264,849,000 | 248,132,000 |
Performing (accruing) loans | 264,711,000 | 248,132,000 |
Non-accrual loans | 264,849,000 | 248,132,000 |
Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] | Special Mention [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due |  | 1,041,000 |
Performing (accruing) loans current | 6,955,000 | 3,928,000 |
Performing (accruing) loans | 6,955,000 | 2,887,000 |
Non-accrual loans | 6,955,000 | 3,928,000 |
Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] | Substandard [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due |  | 815,000 |
Performing (accruing) loans current | 1,718,000 | 2,307,000 |
Performing (accruing) loans | 1,718,000 | 1,492,000 |
Non-accrual loans | 1,718,000 | 2,307,000 |
Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 138,000 | 1,041,000 |
Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 138,000 |  |
Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Special Mention [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due |  | 1,041,000 |
Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due |  | 815,000 |
Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Substandard [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due |  | 815,000 |
Construction Portfolio Segment [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current | 8,878,000 | 3,096,000 | 0
Non-accrual loans | 8,878,000 | 3,096,000 | 0
Construction Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current | 8,878,000 | 3,096,000 |
Performing (accruing) loans | 8,878,000 | 3,096,000 |
Non-accrual loans | 8,878,000 | 3,096,000 |
Construction to Permanent Portfolio Segment [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current | 9,370,000 | 10,627,000 | 14,436,000
Non-accrual loans | 9,370,000 | 10,627,000 | 14,436,000
Construction to Permanent Portfolio Segment [Member] | Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current | 9,370,000 |  |
Non-accrual loans | 9,370,000 |  |
Construction to Permanent Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current | 9,370,000 | 10,627,000 |
Performing (accruing) loans | 9,370,000 | 10,627,000 |
Non-accrual loans | 9,370,000 | 10,627,000 |
Construction to Permanent Portfolio Segment [Member] | Performing Financial Instruments [Member] | Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current | 9,370,000 |  |
Performing (accruing) loans | 9,370,000 |  |
Non-accrual loans | 9,370,000 |  |
Residential Portfolio Segment [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current | 97,501,000 | 108,543,000 | 89,517,000
Non-accrual loans | 97,501,000 | 108,543,000 | 89,517,000
Loans | 380,000 | 719,000 |
Residential Portfolio Segment [Member] | Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current | 97,121,000 | 107,824,000 |
Non-accrual loans | 97,121,000 | 107,824,000 |
Residential Portfolio Segment [Member] | Substandard [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current | 380,000 | 719,000 |
Non-accrual loans | 380,000 | 719,000 |
Loans | 380,000 | 719,000 |
Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 1,777,000 | 1,812,000 |
Performing (accruing) loans current | 97,121,000 | 107,824,000 |
Performing (accruing) loans | 95,344,000 | 106,012,000 |
Non-accrual loans | 97,121,000 | 107,824,000 |
Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] | Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 1,777,000 | 1,812,000 |
Performing (accruing) loans current | 97,121,000 | 107,824,000 |
Performing (accruing) loans | 95,344,000 | 106,012,000 |
Non-accrual loans | 97,121,000 | 107,824,000 |
Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 171,000 | 172,000 |
Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 171,000 | 172,000 |
Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 84,000 | 87,000 |
Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 84,000 | 87,000 |
Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 1,522,000 | 1,553,000 |
Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 1,522,000 | 1,553,000 |
Consumer Portfolio Segment [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current | 47,551,000 | 46,164,000 | 45,781,000
Non-accrual loans | 47,551,000 | 46,164,000 | $ 45,781,000
Loans |  | 7,000 |
Consumer Portfolio Segment [Member] | Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current | 47,551,000 | 46,157,000 |
Non-accrual loans | 47,551,000 | 46,157,000 |
Consumer Portfolio Segment [Member] | Substandard [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans current |  | 7,000 |
Non-accrual loans |  | 7,000 |
Loans |  | 7,000 |
Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 124,000 | 2,000 |
Performing (accruing) loans current | 47,551,000 | 46,157,000 |
Performing (accruing) loans | 47,427,000 | 46,155,000 |
Non-accrual loans | 47,551,000 | 46,157,000 |
Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] | Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 124,000 | 2,000 |
Performing (accruing) loans current | 47,551,000 | 46,157,000 |
Performing (accruing) loans | 47,427,000 | 46,155,000 |
Non-accrual loans | 47,551,000 | 46,157,000 |
Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 15,000 |  |
Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 15,000 |  |
Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 102,000 | 2,000 |
Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 102,000 | $ 2,000 |
Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | 7,000 |  |
Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Pass [Member] |  |  |
Note 3 - Loans Receivable and Allowance for Loan Losses (Details) - Delinquency Status of Performing (Accruing) Loans [Line Items] |  |  |
Performing (accruing) loans past due | $ 7,000 |  |

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