Equity Awards and Warrants - Expense and unrecognized (Details) - USD ($) shares in Millions, $ in Millions |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Nov. 30, 2022 |
Nov. 30, 2021 |
Nov. 30, 2022 |
Nov. 30, 2021 |
Aug. 31, 2022 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||
| Common stock warrants to purchase shares | 5.5 | ||||
| General and Administrative Expenses | |||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||
| Stock based compensation | $ 1.8 | $ 2.1 | $ 3.1 | $ 4.7 | |
| X | ||||||||||
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| 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. No definition available.
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| X | ||||||||||
- Details
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