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Note 24 - First US Bancshares, Inc. (Parent Company Only) Financial Information - Statements of Cash Flows (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017
Cash flows from operating activities: |  |  |  |  |  |  |  |  |  |
Net income (loss) | $ 1,477 | $ 240 | $ 359 | $ 414 | $ (1,866) | $ 635 | $ 416 | $ 404 | $ 2,490 | $ (411)
Adjustments to reconcile net income (loss) to cash provided by operating activities: |  |  |  |  |  |  |  |  |  |
Net cash provided by operating activities |  |  |  |  |  |  |  |  | 8,064 | 6,752
Cash flows from investing activities: |  |  |  |  |  |  |  |  |  |
Net cash paid for acquisition |  |  |  |  |  |  |  |  | (19,014) |
Net cash provided by (used in) investing activities |  |  |  |  |  |  |  |  | 2,702 | (22,623)
Cash flows from financing activities: |  |  |  |  |  |  |  |  |  |
Dividends paid |  |  |  |  |  |  |  |  | (495) | (486)
Dividends received |  |  |  |  |  |  |  |  |  |
Net cash provided by financing activities |  |  |  |  |  |  |  |  | 11,709 | 19,465
Net increase (decrease) in cash |  |  |  |  |  |  |  |  | 22,475 | 3,594
Cash and cash equivalents, beginning of period |  |  |  | 27,124 |  |  |  | 23,530 | 27,124 | 23,530
Cash and cash equivalents, end of period | 49,599 |  |  |  | 27,124 |  |  |  | 49,599 | 27,124
FUSB [Member] |  |  |  |  |  |  |  |  |  |
Cash flows from operating activities: |  |  |  |  |  |  |  |  |  |
Net income (loss) |  |  |  |  |  |  |  |  | 2,490 | (411)
Adjustments to reconcile net income (loss) to cash provided by operating activities: |  |  |  |  |  |  |  |  |  |
Distributions in excess of undistributed income (loss) of subsidiaries |  |  |  |  |  |  |  |  | (2,345) | 867
Change in other assets and liabilities |  |  |  |  |  |  |  |  | 256 | 163
Net cash provided by operating activities |  |  |  |  |  |  |  |  | 401 | 619
Cash flows from investing activities: |  |  |  |  |  |  |  |  |  |
Net cash paid for acquisition |  |  |  |  |  |  |  |  | (22,099) |
Net cash provided by (used in) investing activities |  |  |  |  |  |  |  |  | (22,099) |
Cash flows from financing activities: |  |  |  |  |  |  |  |  |  |
Dividends paid |  |  |  |  |  |  |  |  | (495) | (486)
Dividends received |  |  |  |  |  |  |  |  | 22,099 |
Net cash provided by financing activities |  |  |  |  |  |  |  |  | 21,604 | (486)
Net increase (decrease) in cash |  |  |  |  |  |  |  |  | (94) | 133
Cash and cash equivalents, beginning of period |  |  |  | $ 359 |  |  |  | $ 226 | 359 | 226
Cash and cash equivalents, end of period | $ 265 |  |  |  | $ 359 |  |  |  | $ 265 | $ 359

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