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Note Q - Parent Company Only Condensed Financial Information - Condensed Statements of Cash Flows (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Net income | $ 898 | $ 1,653 | $ 1,741 | $ 3,217 | $ 2,024 | $ 358 | $ 1,706 | $ 2,832 | $ 1,898 | $ 1,642 | $ 1,410 | $ 3,624 | $ 7,509 | $ 6,920 | $ 8,574
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued to ESOP |  |  |  |  |  |  |  |  |  |  |  |  | (428) | (575) |
Change in other assets |  |  |  |  |  |  |  |  |  |  |  |  | 347 | 1,717 | (678)
Net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |  |  | 14,496 | 13,366 | 10,398
Cash flows from investing activities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net cash provided by (used in) investing activities |  |  |  |  |  |  |  |  |  |  |  |  | (42,180) | (38,434) | (4,938)
Cash flows from financing activities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from common stock through dividend reinvestment |  |  |  |  |  |  |  |  |  |  |  |  | 715 |  |
Cash dividends paid |  |  |  |  |  |  |  |  |  |  |  |  | (3,932) | (3,585) | (3,665)
Net cash provided by (used in) financing activities |  |  |  |  |  |  |  |  |  |  |  |  | 62,091 | 19,704 | 9,093
Cash and cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents at beginning of year |  |  |  | 40,166 |  |  |  | 45,530 |  |  |  | 30,977 | 40,166 | 45,530 | 30,977
Cash and cash equivalents at end of year | 74,573 |  |  |  | 40,166 |  |  |  | 45,530 |  |  |  | 74,573 | 40,166 | 45,530
Parent Company [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  |  |  |  |  | 7,509 | 6,920 | 8,574
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity in undistributed earnings of subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  | (3,605) | (719) | (5,422)
Common stock issued to ESOP |  |  |  |  |  |  |  |  |  |  |  |  | 428 | 575 |
Change in other assets |  |  |  |  |  |  |  |  |  |  |  |  | (15) | 11 | (16)
Change in other liabilities |  |  |  |  |  |  |  |  |  |  |  |  | (97) | 318 | (141)
Net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |  |  | 4,220 | 7,105 | 2,995
Cash flows from investing activities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash paid for Milton Bancorp, Inc. acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  | (7,431) |
Change in notes receivable |  |  |  |  |  |  |  |  |  |  |  |  | 100 | 461 | (100)
Net cash provided by (used in) investing activities |  |  |  |  |  |  |  |  |  |  |  |  | 100 | (6,970) | (100)
Cash flows from financing activities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Change in notes payable |  |  |  |  |  |  |  |  |  |  |  |  | (558) | 3,964 | 128
Proceeds from common stock through dividend reinvestment |  |  |  |  |  |  |  |  |  |  |  |  | 715 |  |
Cash dividends paid |  |  |  |  |  |  |  |  |  |  |  |  | (3,932) | (3,585) | (3,665)
Net cash provided by (used in) financing activities |  |  |  |  |  |  |  |  |  |  |  |  | (3,775) | 379 | (3,537)
Cash and cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Change in cash and cash equivalents |  |  |  |  |  |  |  |  |  |  |  |  | 545 | 514 | (642)
Cash and cash equivalents at beginning of year |  |  |  | $ 2,747 |  |  |  | $ 2,233 |  |  |  | $ 2,875 | 2,747 | 2,233 | 2,875
Cash and cash equivalents at end of year | $ 3,292 |  |  |  | $ 2,747 |  |  |  | $ 2,233 |  |  |  | $ 3,292 | $ 2,747 | $ 2,233

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