Note 9 - Stock-based Compensation - Summary of Stock-based Compensation (Details) - USD ($) $ in Thousands |
3 Months Ended | |
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Apr. 30, 2024 |
Apr. 30, 2023 |
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Stock-based compensation expense | $ 7,153 | $ 9,128 |
Cost of Sales [Member] | ||
Stock-based compensation expense | 166 | 97 |
Research and Development Expense [Member] | ||
Stock-based compensation expense | 1,290 | 2,012 |
Selling and Marketing Expense [Member] | ||
Stock-based compensation expense | 1,256 | 1,682 |
General and Administrative Expense [Member] | ||
Stock-based compensation expense | $ 4,441 | $ 5,337 |
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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