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Schedule II - Valuation and Qualifying Accounts | 12 Months Ended
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Jan. 31, 2024
Notes to Financial Statements |
SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] | Schedule II Perma-Pipe International Holdings, Inc. and Subsidiaries VALUATION AND QUALIFYING ACCOUNTS For the Years Ended January 31, 2024 and 2023
|  | Balance at beginning of period |  |  | Charges to expenses |  |  | Write-offs (1) |  |  | Other charges (2) |  |  | Balance at end of period |
Year Ended January 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Valuation allowance for deferred tax assets |  | $ | 15,993 |  |  | $ | (208 | ) |  | $ | - |  |  | $ | (10,096 | ) |  | $ | 5,689 |
Allowance for possible losses in collection of trade receivables |  |  | 612 |  |  |  | 123 |  |  |  | (36 | ) |  |  | - |  |  |  | 699 |
Year Ended January 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Valuation allowance for deferred tax assets |  | $ | 16,905 |  |  | $ | (585 | ) |  | $ | - |  |  | $ | (327 | ) |  | $ | 15,993 |
Allowance for possible losses in collection of trade receivables |  |  | 486 |  |  |  | 140 |  |  |  | (14 | ) |  |  | - |  |  |  | 612 |
(1) The release of valuation allowances related to deferred tax assets. (2) Uncollectible accounts written off.

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-4 + Details
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