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Note 15 - Parent Company Only Condensed Financial Information (Details) - Condensed Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Net Income | $ 8,073 us-gaap_NetIncomeLoss | $ 8,112 us-gaap_NetIncomeLoss | $ 7,052 us-gaap_NetIncomeLoss
Gain on sale of ProAlliance Corporation | (810)us-gaap_GainLossOnSaleOfBusiness |  |
Common stock issued to ESOP | (351)us-gaap_StockIssuedDuringPeriodValueEmployeeStockOwnershipPlan | (640)us-gaap_StockIssuedDuringPeriodValueEmployeeStockOwnershipPlan | (617)us-gaap_StockIssuedDuringPeriodValueEmployeeStockOwnershipPlan
Change in other assets | (366)us-gaap_IncreaseDecreaseInOtherOperatingAssets | 1,128 us-gaap_IncreaseDecreaseInOtherOperatingAssets | (756)us-gaap_IncreaseDecreaseInOtherOperatingAssets
Net cash provided by operating activities | 11,681 us-gaap_NetCashProvidedByUsedInOperatingActivities | 13,158 us-gaap_NetCashProvidedByUsedInOperatingActivities | 10,831 us-gaap_NetCashProvidedByUsedInOperatingActivities
Cash flows from investing activities: |  |  |
Proceeds from sale of ProAlliance Corporation | 810 us-gaap_ProceedsFromDivestitureOfBusinesses |  |
Net cash provided by (used in) investing activities | (29,887)us-gaap_NetCashProvidedByUsedInInvestingActivities | (946)us-gaap_NetCashProvidedByUsedInInvestingActivities | 26,361 us-gaap_NetCashProvidedByUsedInInvestingActivities
Cash flows from financing activities: |  |  |
Proceeds from common stock through dividend reinvestment | 103 us-gaap_ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan | 170 us-gaap_ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan | 55 us-gaap_ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan
Cash dividends paid | (3,441)us-gaap_PaymentsOfDividends | (2,965)us-gaap_PaymentsOfDividends | (4,393)us-gaap_PaymentsOfDividends
Repayment of subordinated debentures |  | (5,000)us-gaap_RepaymentsOfSubordinatedDebt |
Net cash used in financing activities | 20,839 us-gaap_NetCashProvidedByUsedInFinancingActivities | (29,519)us-gaap_NetCashProvidedByUsedInFinancingActivities | (43,171)us-gaap_NetCashProvidedByUsedInFinancingActivities
Cash and cash equivalents: |  |  |
Change in cash and cash equivalents | 2,633 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | (17,307)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | (5,979)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents at beginning of year | 28,344 us-gaap_CashAndCashEquivalentsAtCarryingValue | 45,651 us-gaap_CashAndCashEquivalentsAtCarryingValue | 51,630 us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and cash equivalents at end of year | 30,977 us-gaap_CashAndCashEquivalentsAtCarryingValue | 28,344 us-gaap_CashAndCashEquivalentsAtCarryingValue | 45,651 us-gaap_CashAndCashEquivalentsAtCarryingValue
Parent Company [Member] |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Net Income | 8,073 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 8,112 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 7,052 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Gain on sale of ProAlliance Corporation | (810)us-gaap_GainLossOnSaleOfBusiness / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Equity in undistributed earnings of subsidiaries | (4,386)us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (52)us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (3,266)us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Common stock issued to ESOP | 351 us-gaap_StockIssuedDuringPeriodValueEmployeeStockOwnershipPlan / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 640 us-gaap_StockIssuedDuringPeriodValueEmployeeStockOwnershipPlan / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 617 us-gaap_StockIssuedDuringPeriodValueEmployeeStockOwnershipPlan / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Change in other assets | 323 us-gaap_IncreaseDecreaseInOtherOperatingAssets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (60)us-gaap_IncreaseDecreaseInOtherOperatingAssets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 96 us-gaap_IncreaseDecreaseInOtherOperatingAssets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Change in other liabilities | (334)us-gaap_IncreaseDecreaseInOtherOperatingLiabilities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (15)us-gaap_IncreaseDecreaseInOtherOperatingLiabilities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (21)us-gaap_IncreaseDecreaseInOtherOperatingLiabilities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Net cash provided by operating activities | 3,217 us-gaap_NetCashProvidedByUsedInOperatingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 8,625 us-gaap_NetCashProvidedByUsedInOperatingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 4,478 us-gaap_NetCashProvidedByUsedInOperatingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Cash flows from investing activities: |  |  |
Proceeds from sale of ProAlliance Corporation | 810 us-gaap_ProceedsFromDivestitureOfBusinesses / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Investment in OVBC Captive | (250)us-gaap_PaymentsToAcquireInvestments / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Change in notes receivable | (262)us-gaap_IncreaseDecreaseInAccountsAndNotesReceivable / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (97)us-gaap_IncreaseDecreaseInAccountsAndNotesReceivable / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 320 us-gaap_IncreaseDecreaseInAccountsAndNotesReceivable / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Net cash provided by (used in) investing activities | 298 us-gaap_NetCashProvidedByUsedInInvestingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (97)us-gaap_NetCashProvidedByUsedInInvestingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 320 us-gaap_NetCashProvidedByUsedInInvestingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Cash flows from financing activities: |  |  |
Change in notes payable | 262 us-gaap_IncreaseDecreaseInNotesPayableCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 3 us-gaap_IncreaseDecreaseInNotesPayableCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (222)us-gaap_IncreaseDecreaseInNotesPayableCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Proceeds from common stock through dividend reinvestment | 103 us-gaap_ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 170 us-gaap_ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 55 us-gaap_ProceedsFromIssuanceOfCommonStockDividendReinvestmentPlan / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Cash dividends paid | (3,441)us-gaap_PaymentsOfDividends / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (2,965)us-gaap_PaymentsOfDividends / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (4,393)us-gaap_PaymentsOfDividends / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Repayment of subordinated debentures |  | (5,000)us-gaap_RepaymentsOfSubordinatedDebt / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Net cash used in financing activities | (3,076)us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (7,792)us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (4,560)us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Cash and cash equivalents: |  |  |
Change in cash and cash equivalents | 439 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 736 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 238 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Cash and cash equivalents at beginning of year | 2,436 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 1,700 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 1,462 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Cash and cash equivalents at end of year | $ 2,875 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | $ 2,436 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | $ 1,700 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3044-108585 + Details
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- Definition Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 230 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450594&loc=d3e33268-110906 + Details
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- Definition Gain (loss) from sale or disposal of an organization or integrated set of activities (for example, but not limited to, a partnership or corporation) engaged in providing a product or service in a commercial, industrial, or professional environment. + References No definition available. + 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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- Definition The increase (decrease) during the reporting period of the sum of amounts due within one year (or one business cycle) from customers for the credit sale of goods and services; and from note holders for outstanding loans. + 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 (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition The increase (decrease) during the reporting period in current portion (due within one year or one business cycle) of obligations evidenced by formal promissory notes. + 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 (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition The increase (decrease) during the reporting period in other assets used in operating activities not separately disclosed in the statement of cash flows. May include changes in other current assets, other noncurrent assets, or a combination of other current and noncurrent assets. + 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 (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition The increase (decrease) during the reporting period in other liabilities used in operating activities not separately disclosed in the statement of cash flows. May include changes in other current liabilities, other noncurrent liabilities, or a combination of other current and noncurrent liabilities. + 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 (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3574-108585 + Details
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- Definition The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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