Note 12 - Segment Reporting - Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Details) - USD ($) |
3 Months Ended | ||
|---|---|---|---|
Apr. 30, 2026 |
Apr. 30, 2025 |
Apr. 30, 2025 |
|
| Operating income | $ 14,000 | $ (658,000) | $ (658,000) |
| Other income (expense) | 51,000 | (18,000) | (18,000) |
| Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest | 65,000 | (676,000) | (676,000) |
| Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] | |||
| Operating income | (2,207,000) | (1,790,000) | (1,790,000) |
| Seamap Marine Products [Member] | Operating Segments [Member] | |||
| Operating income | $ 2,221,000 | $ 1,132,000 | $ 1,132,000 |
| X | ||||||||||
- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Details
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- Details
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- Details
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