10. Stockholders' equity - Common Stock Issued and Outstanding Value (Details) - USD ($)	3 Months Ended	12 Months Ended
May 31, 2024	Feb. 29, 2024
Equity [Abstract]
Common Stock, Value, Issued	$ 11,734	$ 11,734
Stock Issued During Period, Value, New Issues

Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

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Name:	us-gaap_StockIssuedDuringPeriodValueNewIssues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration