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Note 16 - Noncontrolling Interest (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Oct. 31, 2024 | Oct. 31, 2023 | Oct. 31, 2024 | Oct. 31, 2023 | Apr. 30, 2024 | Jan. 31, 2024 | Jun. 01, 2023
Assets | $ 160,749 |  | $ 160,749 |  | $ 155,740 | $ 155,711 |
Net Income (Loss) Attributable to Noncontrolling Interest | 962 | $ 1,429 | 2,303 | $ 1,577 |  |  |
Redeemable Noncontrolling Interest, Equity, Carrying Amount | 8,952 |  | 8,952 |  |  | 6,266 |
Gulf Insulation Group [Member] |  |  |  |  |  |  |
Net Income (Loss) Attributable to Noncontrolling Interest | 1,000 | $ 1,400 | 2,300 | $ 1,600 |  |  |
Redeemable Noncontrolling Interest, Equity, Carrying Amount | 9,000 |  | 9,000 |  |  | $ 6,300 |
Noncontrolling Interest, Increase from Business Combination |  |  | 400 |  |  |  |
Related Party [Member] |  |  |  |  |  |  |
Assets | 31,800 |  | 31,800 |  |  |  |
Liabilities | $ 18,500 |  | $ 18,500 |  |  |  |
Joint Venture [Member] |  |  |  |  |  |  |
Subsidiary, Ownership Percentage, Parent |  |  |  |  |  |  | 60.00%
Joint Venture [Member] | Gulf Insulation Group [Member] |  |  |  |  |  |  |
Subsidiary, Ownership Percentage, Parent |  |  |  |  |  |  | 40.00%

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