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v3.25.3

Schedule of customer concentrations and foreign sales (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Aug. 31, 2025 | Aug. 31, 2024 | Aug. 31, 2025 | Aug. 31, 2024
Total sales | $ 2,443,000 | $ 1,667,000 | $ 4,033,000 | $ 3,606,000
Asia Pacific [Member] |  |  |  |
Total sales | 930,000 | 368,000 | 1,527,000 | 880,000
EMEA [Member] |  |  |  |
Total sales | 1,424,000 | 1,136,000 | 2,321,000 | 2,381,000
Latin America [Member] |  |  |  |
Total sales | $ 89,000 | $ 163,000 | $ 185,000 | $ 345,000

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