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v3.20.1

Significant Customers and Foreign Sales (Tables) | 12 Months Ended
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Feb. 29, 2020
Segment Reporting [Abstract] |
Export sales to customers located outside the United States |
|  | February 29, 2020 |  |  | February 28, 2019 |
Asia Pacific (APAC) |  |  | 4,817,000 |  |  |  | 3,659,000 |
Europe, Middle East, Asia (EMEA) |  |  | 4,512,000 |  |  |  | 2,729,000 |
Latin America |  |  | 1,520,000 |  |  |  | 1,172,000 |
|  | $ | 10,849,000 |  |  | $ | 7,560,000 |

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