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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, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Cash flows from operating activities: |  |  |  |  |  |  |  |  |  |  |
Net income | $ 3,498 | $ 2,137 | $ 3,079 | $ 1,193 | $ 3,856 | $ 1,746 | $ 2,976 | $ 3,366 | $ 9,907 | $ 11,944 | $ 7,509
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |  |  |  |  |  |  |  |
Common stock issued to ESOP |  |  |  |  |  |  |  |  | (328) | (295) | (428)
Change in other assets |  |  |  |  |  |  |  |  | 1,528 | 1,996 | 347
Net cash provided by operating activities |  |  |  |  |  |  |  |  | 14,753 | 18,141 | 14,496
Cash flows from investing activities: |  |  |  |  |  |  |  |  |  |  |
Net cash provided by (used in) investing activities |  |  |  |  |  |  |  |  | (83) | (12,726) | (42,180)
Cash flows from financing activities: |  |  |  |  |  |  |  |  |  |  |
Proceeds from common stock through dividend reinvestment |  |  |  |  |  |  |  |  | 1,407 | 1,325 | 715
Cash dividends paid |  |  |  |  |  |  |  |  | (4,000) | (3,967) | (3,932)
Net cash provided by (used in) financing activities |  |  |  |  |  |  |  |  | (33,494) | (8,808) | 62,091
Cash and cash equivalents: |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents at beginning of year |  |  |  | 71,180 |  |  |  | 74,573 | 71,180 | 74,573 | 40,166
Cash and cash equivalents at end of year | 52,356 |  |  |  | 71,180 |  |  |  | 52,356 | 71,180 | 74,573
Parent Company [Member] |  |  |  |  |  |  |  |  |  |  |
Cash flows from operating activities: |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  | 9,907 | 11,944 | 7,509
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |  |  |  |  |  |  |  |
Equity in undistributed earnings of subsidiaries |  |  |  |  |  |  |  |  | (6,188) | (8,368) | (3,605)
Common stock issued to ESOP |  |  |  |  |  |  |  |  | 328 | 295 | 428
Change in other assets |  |  |  |  |  |  |  |  | 45 | (26) | (15)
Change in other liabilities |  |  |  |  |  |  |  |  | (214) | 262 | (97)
Net cash provided by operating activities |  |  |  |  |  |  |  |  | 3,878 | 4,107 | 4,220
Cash flows from investing activities: |  |  |  |  |  |  |  |  |  |  |
Cash paid for Milton Bancorp, Inc. acquisition |  |  |  |  |  |  |  |  |  |  |
Change in notes receivable |  |  |  |  |  |  |  |  | 1,037 | 320 | 100
Net cash provided by (used in) investing activities |  |  |  |  |  |  |  |  | 1,037 | 320 | 100
Cash flows from financing activities: |  |  |  |  |  |  |  |  |  |  |
Change in notes payable |  |  |  |  |  |  |  |  | (2,046) | (1,045) | (558)
Proceeds from common stock through dividend reinvestment |  |  |  |  |  |  |  |  | 1,407 | 1,325 | 715
Cash dividends paid |  |  |  |  |  |  |  |  | (4,000) | (3,967) | (3,932)
Net cash provided by (used in) financing activities |  |  |  |  |  |  |  |  | (4,639) | (3,687) | (3,775)
Cash and cash equivalents: |  |  |  |  |  |  |  |  |  |  |
Change in cash and cash equivalents |  |  |  |  |  |  |  |  | 276 | 740 | 545
Cash and cash equivalents at beginning of year |  |  |  | $ 4,032 |  |  |  | $ 3,292 | 4,032 | 3,292 | 2,747
Cash and cash equivalents at end of year | $ 4,308 |  |  |  | $ 4,032 |  |  |  | $ 4,308 | $ 4,032 | $ 3,292

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