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Note 1 - Basis of Presentation | 9 Months Ended
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Jun. 29, 2013
Disclosure Text Block [Abstract] |
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] | (1) Basis of Presentation The accompanying unaudited interim consolidated financial statements of Insteel Industries, Inc. (“we,” “us,” “our,” “the Company” or “Insteel”) have been prepared pursuant to the rules and regulations of the U.S. Securities and Exchange Commission (“SEC”) for quarterly reports on Form 10-Q. Certain information and note disclosures normally included in the audited financial statements prepared in accordance with accounting principles generally accepted in the United States (“GAAP”) have been condensed or omitted pursuant to such rules and regulations, although the Company believes that the disclosures made are adequate to make the information not misleading. The September 29, 2012 consolidated balance sheet was derived from the audited consolidated financial statements at that date, but does not include all of the information and footnotes required by GAAP for complete financial statements. These financial statements should therefore be read in conjunction with the consolidated financial statements and notes for the fiscal year ended September 29, 2012 included in the Company’s Annual Report on Form 10-K filed with the SEC. The accompanying unaudited interim consolidated financial statements reflect all adjustments of a normal recurring nature that the Company considers necessary for a fair presentation of results for these interim periods. The results of operations for the nine-month period ended June 29, 2013 are not necessarily indicative of the results that may be expected for the fiscal year ending September 28, 2013 or future periods. The Company has evaluated subsequent events through the time of filing this Quarterly Report on Form 10-Q and has concluded that there are no significant events that occurred subsequent to the balance sheet date but prior to the filing of this report that would have a material impact on the consolidated financial statements.

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