Convertible Instruments and Accrued Interest - Outstanding Balance (Details) - USD ($) $ in Thousands |
Feb. 28, 2026 |
May 31, 2025 |
|---|---|---|
| Debt Instrument | ||
| Convertible notes payable outstanding principal | $ 27,200 | $ 27,200 |
| Accrued interest on convertible notes | 13,335 | 18,151 |
| Outstanding convertible notes payable, net and accrued interest | 40,535 | 45,351 |
| Long-term Convertible Note - April 2, 2021 Note | ||
| Debt Instrument | ||
| Convertible notes payable outstanding principal | 2,831 | 2,831 |
| Accrued interest on convertible notes | 5,755 | 5,378 |
| Outstanding convertible notes payable, net and accrued interest | 8,586 | 8,209 |
| Long-term Convertible Note - April 23, 2021 Note | ||
| Debt Instrument | ||
| Convertible notes payable outstanding principal | 24,369 | 24,369 |
| Accrued interest on convertible notes | 7,580 | 12,773 |
| Outstanding convertible notes payable, net and accrued interest | $ 31,949 | $ 37,142 |
| X | ||||||||||
- Definition The amount of non current portion of accrued interest on debt. No definition available.
|
| X | ||||||||||
- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| 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/disclosureRef
|
| X | ||||||||||
- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|