Note 9 - Fair Value Measurements - Schedule of Assets Measured (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Jul. 31, 2026 |
Jul. 31, 2025 |
Jul. 31, 2024 |
|
| Balance, beginning of period | $ 902 | $ 695 | $ 1,263 |
| Redemption for Visa mandatory release assessment | 0 | 0 | (877) |
| Total (losses) gains included in “Other expense, net” | (519) | 207 | 309 |
| BALANCE, END OF PERIOD | 383 | 902 | 695 |
| Change in unrealized gains or losses for the period included in earnings for assets held at the end of the period | $ 0 | $ 0 | $ 0 |
| X | ||||||||||
- Definition Amount of unrealized gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3) and still held. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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