Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	Nov. 30, 2024	May 31, 2024	Nov. 30, 2023
Summary of Significant Accounting Policies
Accumulated deficit	$ (877,072)	$ (891,531)
Money market fund value	19,100
Restricted cash	$ 0	$ 6,704	$ 6,577

Amount of accumulated undistributed earnings (deficit).

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