Balance Sheet Components - Intangible Assets (Details) - USD ($) $ in Thousands |
6 Months Ended | 12 Months Ended |
|---|---|---|
Feb. 28, 2026 |
Aug. 31, 2025 |
|
| Finite Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | $ 946 | $ 947 |
| Accumulated Amortization | 836 | 847 |
| Total | $ 110 | $ 100 |
| Patents and trademarks | ||
| Finite Lived Intangible Assets [Line Items] | ||
| Weighted Average Amortization Period (Years) | 15 years | 15 years |
| Gross Carrying Amount | $ 620 | $ 614 |
| Accumulated Amortization | 510 | 514 |
| Total | $ 110 | $ 100 |
| Acquired technology | ||
| Finite Lived Intangible Assets [Line Items] | ||
| Weighted Average Amortization Period (Years) | 5 years | 5 years |
| Gross Carrying Amount | $ 326 | $ 333 |
| Accumulated Amortization | 326 | 333 |
| Total | $ 0 | $ 0 |
| X | ||||||||||
- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|