Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Feb. 29, 2024
Feb. 28, 2023
Feb. 29, 2024
Feb. 28, 2023
May 31, 2023
Income Taxes          
Income tax expense $ 0 $ 0 $ 0 $ 0  
Effective Income Tax Rate Reconciliation Percent          
Effective income tax rate     0.00%   0.00%
Income tax provision at statutory rate:     21.00%   21.00%