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Note 6 - Other Real Estate Operations (Details) - Summary of Other Real Estate Operations (USD $) | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Summary of Other Real Estate Operations [Abstract] |  |  |
Expenses of holding other real estate owned | $ 8,000 us-gaap_OtherExpenseFromRealEstatePartnershipOperations | $ 326,000 us-gaap_OtherExpenseFromRealEstatePartnershipOperations | $ 127,000 us-gaap_OtherExpenseFromRealEstatePartnershipOperations
Loss (gain) on sale of other real estate owned | 4,000 us-gaap_GainsLossesOnSalesOfInvestmentRealEstate | (114,000)us-gaap_GainsLossesOnSalesOfInvestmentRealEstate | (185,000)us-gaap_GainsLossesOnSalesOfInvestmentRealEstate
Expense (income) from other real estate operations | $ 12,000 us-gaap_OtherRevenueExpenseFromRealEstateOperations | $ 212,000 us-gaap_OtherRevenueExpenseFromRealEstateOperations | $ (58,000)us-gaap_OtherRevenueExpenseFromRealEstateOperations

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- Definition The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.14(d)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 14 -Subparagraph d -Article 9 + Details
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- Definition Amount of selling, general, and administrative expenses, and other expenses, related to investments in real estate partnerships. + References No definition available. + Details
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- Definition Amount of other revenue (expense) derived from real estate investments partnerships. + References No definition available. + Details
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