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Note 1 - General | 3 Months Ended
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Mar. 31, 2018
Notes to Financial Statements |
Nature of Operations [Text Block] |
1. | GENERAL
The accompanying unaudited interim condensed consolidated financial statements include the accounts of First US Bancshares, Inc. (“Bancshares”) and its subsidiaries (collectively, the “Company”). Bancshares is the parent holding company of First US Bank (the “Bank”). The Bank operates a finance company subsidiary, Acceptance Loan Company, Inc. (“ALC”). Management has determined that the Bank and ALC comprise Bancshares' two reportable operating segments. All significant intercompany transactions and accounts have been eliminated. The unaudited interim condensed consolidated financial statements, in the opinion of management, reflect all adjustments necessary for a fair presentation of the Company's consolidated financial position, results of operations and cash flows for the periods presented. Such adjustments are of a normal, recurring nature. The results of operations for any interim period are not necessarily indicative of results expected for the fiscal year ending December 31, 2018 . While certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) have been condensed or omitted pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”), management believes that the disclosures herein are adequate to make the information presented not misleading. These unaudited interim condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto contained in the Company’s Annual Report on Form 10 -K as of and for the year ended December 31, 2017.

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- Definition The entire disclosure for the nature of an entity's business, major products or services, principal markets including location, and the relative importance of its operations in each business and the basis for the determination, including but not limited to, assets, revenues, or earnings. For an entity that has not commenced principal operations, disclosures about the risks and uncertainties related to the activities in which the entity is currently engaged and an understanding of what those activities are being directed toward. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -URI http://asc.fasb.org/topic&trid=2134479 + Details
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