Note 1 - Basis of Presentation	3 Months Ended
Apr. 30, 2022
Notes to Financial Statements
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]	Note 1 - Basis of presentation The interim consolidated financial statements of Perma-Pipe International Holdings, Inc., and subsidiaries (collectively, "PPIH", "Company", or "Registrant") are unaudited, but include all adjustments that the Company's management considers necessary to present fairly the financial position and results of operations for the periods presented. These adjustments consist of normal recurring adjustments. Information and footnote disclosures have been omitted pursuant to Securities and Exchange Commission ("SEC") rules and regulations. The consolidated balance sheet as of January 31, 2022 is derived from the audited consolidated balance sheet as of that date. The results of operations for any interim period are not necessarily indicative of future or annual results. Interim financial statements should be read in conjunction with the financial statements and the notes thereto included in the Company's latest Annual Report on Form 10-K. The Company's fiscal year ends on January 31. Years and balances described as 2022 and 2021 are for the fiscal years ended January 31, 2023 and 2022, respectively. Significant New Accounting Policies Refer to the Company's Annual Report on Form 10-K for the year ended January 31, 2022 as filed with the SEC on April 19, 2022 for discussion of the Company's significant accounting policies. During the three months ended April 30, 2022, the following accounting policy was adopted. Treasury Stock In accordance with Accounting Standards Codification ("ASC") Topic 505, "Equity", the Company has accounted for the share repurchases under the cost method, as the Company has not elected to retire the repurchased shares at this time. This results in recognizing the shares as treasury stock, a reduction of stockholders' equity on the Company's consolidated balance sheets as of April 30, 2022 and on the Company's consolidated statements of stockholders' equity for the three month period ended April 30, 2022. The amounts recognized as treasury stock in the consolidated balance sheets and consolidated statements of stockholders' equity include costs associated with the acquisition of the shares. Reclassifications Certain reclassifications have been made to prior period financial statements to conform to current period presentation. Unbilled accounts receivable was segregated from prepaid expenses and other current assets and reclassified into its own line on the consolidated balance sheets and consolidated statements of cash flows. Subsequent Events The Company has evaluated subsequent events through June 7, 2022, the date the financial statements were issued. Any material subsequent events that occurred during this time have been properly recognized and/or disclosed in these financial statements.

Note 1 - Basis of Presentation

3 Months Ended

Apr. 30, 2022

Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]

Note 1 - Basis of presentation

The interim consolidated financial statements of Perma-Pipe International Holdings, Inc., and subsidiaries (collectively, "PPIH", "Company", or "Registrant") are unaudited, but include all adjustments that the Company's management considers necessary to present fairly the financial position and results of operations for the periods presented. These adjustments consist of normal recurring adjustments. Information and footnote disclosures have been omitted pursuant to Securities and Exchange Commission ("SEC") rules and regulations. The consolidated balance sheet as of January 31, 2022 is derived from the audited consolidated balance sheet as of that date. The results of operations for any interim period are not necessarily indicative of future or annual results. Interim financial statements should be read in conjunction with the financial statements and the notes thereto included in the Company's latest Annual Report on Form 10-K. The Company's fiscal year ends on January 31. Years and balances described as 2022 and 2021 are for the fiscal years ended January 31, 2023 and 2022, respectively.

Significant New Accounting Policies

Refer to the Company's Annual Report on Form 10-K for the year ended January 31, 2022 as filed with the SEC on April 19, 2022 for discussion of the Company's significant accounting policies. During the three months ended April 30, 2022, the following accounting policy was adopted.

Treasury Stock

In accordance with Accounting Standards Codification ("ASC") Topic 505, "Equity", the Company has accounted for the share repurchases under the cost method, as the Company has not elected to retire the repurchased shares at this time. This results in recognizing the shares as treasury stock, a reduction of stockholders' equity on the Company's consolidated balance sheets as of April 30, 2022 and on the Company's consolidated statements of stockholders' equity for the three month period ended April 30, 2022. The amounts recognized as treasury stock in the consolidated balance sheets and consolidated statements of stockholders' equity include costs associated with the acquisition of the shares.

Reclassifications

Certain reclassifications have been made to prior period financial statements to conform to current period presentation. Unbilled accounts receivable was segregated from prepaid expenses and other current assets and reclassified into its own line on the consolidated balance sheets and consolidated statements of cash flows.

Subsequent Events

The Company has evaluated subsequent events through June 7, 2022, the date the financial statements were issued. Any material subsequent events that occurred during this time have been properly recognized and/or disclosed in these financial statements.