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Related Party Transactions - Narrative (Details) - USD ($)
3 Months Ended 12 Months Ended
May 31, 2024
May 31, 2024
May 31, 2023
May 01, 2024
Jan. 30, 2024
May 23, 2023
Related Party Transaction [Line Items]            
Interest expense, net [1]   $ 26,832,000 $ 1,980,000      
Loss on extinguishment of debt [2]   2,507,000 94,000      
Loss on change in fair value of related party debt   13,812,000 0      
Related Party            
Related Party Transaction [Line Items]            
Borrowings of related party debt   28,000,000 36,500,000      
Repayment of related party debt   45,500,000 0      
Related Party | Construction And Consulting Costs            
Related Party Transaction [Line Items]            
Transaction fees   300,000 100,000      
Related Party | Software License Fees            
Related Party Transaction [Line Items]            
Transaction fees   200,000 100,000      
Related Party | Consulting Fees            
Related Party Transaction [Line Items]            
Transaction fees   43,000 $ 0      
B. Riley Loan and Security Agreement | Medium-term Notes            
Related Party Transaction [Line Items]            
Promissory note amount           $ 50,000,000
Interest rate           9.00%
Borrowings of related party debt   8,000,000        
Repayment of related party debt   44,500,000        
Interest expense, net   700,000        
AI Bridge Loan | Notes payable            
Related Party Transaction [Line Items]            
Promissory note amount         $ 20,000,000.0  
Interest Expense, Debt   $ 5,000,000.0        
Principal balance       $ 20,000,000    
Debt conversion, converted instrument, shares issued (in shares) 8,421,146          
Repayment fee         125.00%  
[1] Includes related party interest expense of $5.7 million and $0.1 million for the fiscal years ended May 31, 2024 and May 31, 2023, respectively.
[2] Amounts included in the fiscal year ended May 31, 2024 are related to the extinguishment of related party debt.