Note 15 - Noncontrolling Interest (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
Jul. 31, 2025 |
Jul. 31, 2024 |
Jul. 31, 2025 |
Jul. 31, 2024 |
Jan. 31, 2025 |
Jun. 01, 2023 |
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| Assets | $ 188,990 | $ 188,990 | $ 165,241 | |||
| Net Income (Loss) Attributable to Noncontrolling Interest | 411 | $ 995 | 1,313 | $ 1,341 | ||
| Redeemable Noncontrolling Interest, Equity, Carrying Amount | 12,225 | 12,225 | 10,967 | |||
| Gulf Insulation Group [Member] | ||||||
| Net Income (Loss) Attributable to Noncontrolling Interest | 400 | $ 1,000 | 1,300 | $ 1,300 | ||
| Redeemable Noncontrolling Interest, Equity, Carrying Amount | 12,200 | 12,200 | 11,000 | |||
| Noncontrolling Interest, Adjustments to Redeemable Noncontrolling interest | (100) | |||||
| Related Party [Member] | ||||||
| Assets | 39,800 | 39,800 | 39,100 | |||
| Liabilities | $ 19,900 | $ 19,900 | $ 22,100 | |||
| Joint Venture [Member] | ||||||
| Subsidiary, Ownership Percentage, Parent | 60.00% | |||||
| Joint Venture [Member] | Gulf Insulation Group [Member] | ||||||
| Subsidiary, Ownership Percentage, Parent | 40.00% | |||||
| X | ||||||||||
- Definition The increase (decrease) in the value of the redeemable noncontrolling interest. No definition available.
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| X | ||||||||||
- Definition Amount of asset recognized for present right to economic benefit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of liability recognized for present obligation requiring transfer or otherwise providing economic benefit to others. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. No definition available.
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- Definition Amount of Net Income (Loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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