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v3.25.1

Schedule of customer concentrations and foreign sales (Details) - USD ($) | 12 Months Ended
--- | ---
Feb. 28, 2025 | Feb. 29, 2024
Total sales | $ 7,998,000 | $ 8,822,000
Asia Pacific [Member] |  |
Total sales | 2,758,000 | 3,268,000
Middle East [Member] |  |
Total sales | 4,431,000 | 4,333,000
Latin America [Member] |  |
Total sales | $ 809,000 | $ 1,221,000

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