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Note 20 - Stock-based Compensation - Summary of Stock-based Compensation (Details) - USD ($) $ in Thousands | 4 Months Ended | 5 Months Ended | 7 Months Ended | 8 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Jun. 11, 2021 | Jan. 31, 2021 | Aug. 27, 2020 | Jan. 31, 2022 | Jan. 31, 2023
Stock-based compensation expense | $ 0 | $ 0 | $ 0 | $ 14,664 | $ 36,622
Cost of Sales [Member] |  |  |  |  |
Stock-based compensation expense | 0 | 0 | 0 | 0 | 232
Research and Development Expense [Member] |  |  |  |  |
Stock-based compensation expense | 0 | 0 | 0 | 895 | 8,850
Selling and Marketing Expense [Member] |  |  |  |  |
Stock-based compensation expense | 0 | 0 | 0 | 2,043 | 7,336
General and Administrative Expense [Member] |  |  |  |  |
Stock-based compensation expense | $ 0 | $ 0 | $ 0 | $ 11,726 | $ 20,204

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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