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v3.25.2

Note 2 - Fair Value Measurements (Details Textual) - USD ($) $ in Thousands | Jan. 31, 2025 | Sep. 15, 2022
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The 2025 Note [Member] |  |
Debt Instrument, Face Amount | $ 3,240 |
The 2025 Note [Member] | Convertible Debt [Member] |  |
Debt Instrument, Face Amount | $ 3,240 |
The 2022 Note [Member] | Convertible Debt [Member] |  |
Debt Instrument, Face Amount |  | $ 10,500

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