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Note 15 - Parent Company Only Condensed Financial Information (Details) - Condensed Statements of Cash Flows - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Condensed Cash Flow Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Income | $ 1,898 | $ 1,642 | $ 1,410 | $ 3,624 | $ 423 | $ 2,742 | $ 1,344 | $ 3,564 | $ 1,886 | $ 1,061 | $ 1,942 | $ 3,223 | $ 8,574 | $ 8,073 | $ 8,112
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain on sale of ProAlliance Corporation |  |  |  |  |  |  |  |  |  |  |  |  |  | (810) |
Common stock issued to ESOP |  |  |  |  |  |  |  |  |  |  |  |  |  | (351) | (640)
Change in other assets |  |  |  |  |  |  |  |  |  |  |  |  | 678 | 366 | (1,128)
Net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |  |  | 10,398 | 11,681 | 13,158
Cash flows from investing activities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale of ProAlliance Corporation |  |  |  |  |  |  |  |  |  |  |  |  |  | 810 |
Net cash provided by (used in) investing activities |  |  |  |  |  |  |  |  |  |  |  |  | (4,938) | (29,887) | (946)
Cash flows from financing activities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from common stock through dividend reinvestment |  |  |  |  |  |  |  |  |  |  |  |  |  | 103 | 170
Cash dividends paid |  |  |  |  |  |  |  |  |  |  |  |  | (3,665) | (3,441) | (2,965)
Repayment of subordinated debentures |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (5,000)
Net cash used in financing activities |  |  |  |  |  |  |  |  |  |  |  |  | 9,093 | 20,839 | (29,519)
Cash and cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Change in cash and cash equivalents |  |  |  |  |  |  |  |  |  |  |  |  | 14,553 | 2,633 | (17,307)
Cash and cash equivalents at beginning of year | 45,530 |  |  | 30,977 |  |  |  | 28,344 |  |  |  | 45,651 | 30,977 | 28,344 | 45,651
Cash and cash equivalents at end of year | 45,530 | $ 45,530 |  |  | 30,977 |  |  |  | 28,344 |  |  |  | 45,530 | 30,977 | 28,344
Parent Company [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Income |  |  |  |  |  |  |  |  |  |  |  |  | 8,574 | 8,073 | 8,112
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain on sale of ProAlliance Corporation |  |  |  |  |  |  |  |  |  |  |  |  |  | (810) |
Equity in undistributed earnings of subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  | (5,422) | (4,386) | (52)
Common stock issued to ESOP |  |  |  |  |  |  |  |  |  |  |  |  |  | 351 | 640
Change in other assets |  |  |  |  |  |  |  |  |  |  |  |  | (16) | 323 | (60)
Change in other liabilities |  |  |  |  |  |  |  |  |  |  |  |  | (141) | (334) | (15)
Net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |  |  | 2,995 | 3,217 | 8,625
Cash flows from investing activities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale of ProAlliance Corporation |  |  |  |  |  |  |  |  |  |  |  |  |  | 810 |
Investment in OVBC Captive |  |  |  |  |  |  |  |  |  |  |  |  |  | (250) |
Change in notes receivable |  |  |  |  |  |  |  |  |  |  |  |  | (100) | (262) | (97)
Net cash provided by (used in) investing activities |  |  |  |  |  |  |  |  |  |  |  |  | (100) | 298 | (97)
Cash flows from financing activities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Change in notes payable |  |  |  |  |  |  |  |  |  |  |  |  | 128 | 262 | 3
Proceeds from common stock through dividend reinvestment |  |  |  |  |  |  |  |  |  |  |  |  |  | 103 | 170
Cash dividends paid |  |  |  |  |  |  |  |  |  |  |  |  | (3,665) | (3,441) | (2,965)
Repayment of subordinated debentures |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (5,000)
Net cash used in financing activities |  |  |  |  |  |  |  |  |  |  |  |  | (3,537) | (3,076) | (7,792)
Cash and cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Change in cash and cash equivalents |  |  |  |  |  |  |  |  |  |  |  |  | (642) | 439 | 736
Cash and cash equivalents at beginning of year |  |  |  | $ 2,875 |  |  |  | $ 2,436 |  |  |  | $ 1,700 | 2,875 | 2,436 | 1,700
Cash and cash equivalents at end of year | $ 2,233 |  |  |  | $ 2,875 |  |  |  | $ 2,436 |  |  |  | $ 2,233 | $ 2,875 | $ 2,436

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