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Schedule II - Valuation and Qualifying Accounts | 12 Months Ended
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Jan. 31, 2023
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, 2023 and 2022
(In thousands) |  | Balance at beginning of period |  |  | Charges to expenses |  |  | Write-offs (1) |  |  | Other charges (2) |  |  | Balance at end of period |
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 |
Year Ended January 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Valuation allowance for deferred tax assets |  | $ | 17,746 |  |  | $ | (717 | ) |  | $ | - |  |  | $ | (124 | ) |  | $ | 16,905 |
Allowance for possible losses in collection of trade receivables |  |  | 474 |  |  |  | 32 |  |  |  | - |  |  |  | (20 | ) |  |  | 486 |
(1) Uncollectible accounts charged off. (2) Trade receivable allowances primarily related to recoveries from accounts previously written off and currency translation. Deferred tax asset valuation allowance primarily related to amounts charged to other comprehensive income.

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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 -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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