Equity Awards and Warrants - Stock options (Details) - $ / shares shares in Thousands |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Aug. 31, 2023 |
Aug. 31, 2022 |
May 31, 2023 |
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| Additional Information | |||
| Stock options grant date fair value | $ 0.23 | $ 0.47 | |
| Stock Options | |||
| Number of shares | |||
| Outstanding, beginning of period | 19,823 | ||
| Granted | 500 | ||
| Forfeited, expired, and cancelled | (605) | ||
| Outstanding, end of period | 19,718 | 19,823 | |
| Options exercisable (in shares) | 13,239 | ||
| Weighted average exercise price | |||
| Outstanding at the beginning of the year (in dollars per share) | $ 0.99 | ||
| Granted | 0.26 | ||
| Forfeited, expired, and cancelled | 1.39 | ||
| Outstanding at the end of the year (in dollars per share) | 0.96 | $ 0.99 | |
| Options outstanding and exercisable | $ 1.16 | ||
| Additional Information | |||
| Weighted average remaining contractual life in years | 7 years 8 months 12 days | 7 years 10 months 13 days | |
| Weighted average remaining contractual life in years exercisable | 7 years 10 days | ||
| Stock option granted, Shares | 500 | 200 | |
| Award vesting period | 4 years | ||
| X | ||||||||||
- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Weighted average price of options that were either forfeited or expired. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Net number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Gross number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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