Convertible Instruments and Accrued Interest - Convertible notes and accrued interest (Details)  | 
 Aug. 31, 2023  
$ / shares 
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| Long-term Convertible Note - April 2, 2021 Note | |
| Debt Instrument [Line Items] | |
| Interest rate | 10.00% | 
| Conversion price per share | $ 10.00 | 
| Long-term Convertible Note - April 23, 2021 Note | |
| Debt Instrument [Line Items] | |
| Interest rate | 10.00% | 
| Conversion price per share | $ 10.00 | 
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- Definition The price per share of the conversion feature embedded in the debt instrument. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- 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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