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Note 21 - Condensed Parent Company Only Financial Statements (Details) - Condensed Statements of Operations (USD $) | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Expenses |  |  |
Other expenses | $ 1,258,000 us-gaap_OtherCostAndExpenseOperating | $ 981,000 us-gaap_OtherCostAndExpenseOperating | $ 1,100,000 us-gaap_OtherCostAndExpenseOperating
Loss before equity in undistributed net loss of subsidiaries | 959,000 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | (7,628,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | (536,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Net Income (loss) | 15,709,000 us-gaap_NetIncomeLoss | (7,289,000)us-gaap_NetIncomeLoss | (536,000)us-gaap_NetIncomeLoss
Parent Company [Member] |  |  |
Expenses |  |  |
Interest on subordinated debt | 438,000 us-gaap_InterestExpenseDebt / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 293,000 us-gaap_InterestExpenseDebt / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 308,000 us-gaap_InterestExpenseDebt / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Other expenses | 157,000 us-gaap_OtherCostAndExpenseOperating / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 395,000 us-gaap_OtherCostAndExpenseOperating / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 700,000 us-gaap_OtherCostAndExpenseOperating / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Total expenses | 595,000 us-gaap_CostOfRevenue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 688,000 us-gaap_CostOfRevenue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 1,008,000 us-gaap_CostOfRevenue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Loss before equity in undistributed net loss of subsidiaries | (595,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (688,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (1,008,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Equity in undistributed net income (loss) of subsidiaries | 16,304,000 us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (6,601,000)us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 472,000 us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Net Income (loss) | $ 15,709,000 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | $ (7,289,000)us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | $ (536,000)us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember

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- Definition The aggregate cost of goods produced and sold and services rendered during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 2 -Article 5 + Details
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- Definition This element represents the undistributed income (or loss) of equity method investments, net of dividends or other distributions received from unconsolidated subsidiaries, certain corporate joint ventures, and certain noncontrolled corporations; such investments are accounted for under the equity method of accounting. This element excludes distributions that constitute a return of investment, which are classified as investing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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