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Note 12 - Joint Venture and Noncontrolling Interests (Details Textual) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Jan. 31, 2024 | Jan. 31, 2023 | Jun. 01, 2023
Assets | $ 155,711 | $ 122,966 |
Net Income (Loss) Attributable to Noncontrolling Interest | 2,740 | 0 |
Redeemable Noncontrolling Interest, Equity, Carrying Amount | 6,266 | 0 |
Gulf Insulation Group [Member] |  |  |
Net Income (Loss) Attributable to Noncontrolling Interest | 2,700 | 0 |
Redeemable Noncontrolling Interest, Equity, Carrying Amount |  | $ 0 |
Noncontrolling Interest, Increase From Initial Contribution | 1,000 |  |
Noncontrolling Interest, Increase from Business Combination | 2,500 |  |
Related Party [Member] |  |  |
Financing Receivable, after Allowance for Credit Loss |  |  | $ 4,200
Assets | 27,300 |  |
Liabilities | $ 19,800 |  |
Gulf Insulation Group [Member] | Related Party [Member] |  |  |
Notes Payable |  |  | $ 2,800
Joint Venture [Member] |  |  |
Subsidiary, Ownership Percentage, Parent |  |  | 60.00%
Joint Venture [Member] | Gulf Insulation Group [Member] |  |  |
Subsidiary, Ownership Percentage, Parent |  |  | 40.00%
Property, Plant, and Equipment, Fair Value Disclosure |  |  | $ 6,800

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