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Related Party Transactions - Narrative (Details) - USD ($)
3 Months Ended 9 Months Ended
Jan. 30, 2024
Feb. 29, 2024
Feb. 28, 2023
Feb. 29, 2024
Feb. 28, 2023
May 31, 2023
Related Party Transaction [Line Items]            
Interest expense, net [1]   $ 4,404,000 $ 352,000 $ 8,836,000 $ 1,061,000  
Loss on extinguishment of debt [2]   0 0 2,353,000 94,000  
Loss on change in fair value of related party debt   2,612,000 $ 0 2,612,000 0  
Related Party            
Related Party Transaction [Line Items]            
Borrowings of related party debt       23,000,000 0  
Repayment of related party debt       45,500,000 $ 0  
Long-term debt   17,612,000   17,612,000   $ 35,257,000
Related Party | Construction And Consulting Costs            
Related Party Transaction [Line Items]            
Transaction fees   44,400   300,000    
Related Party | Software License Fees            
Related Party Transaction [Line Items]            
Transaction fees   100,000   200,000    
Related Party | Consulting Fees            
Related Party Transaction [Line Items]            
Transaction fees   23,000   23,000    
B. Riley Loan and Security Agreement | Medium-term Notes            
Related Party Transaction [Line Items]            
Borrowings of related party debt       8,000,000    
Repayment of related party debt       44,500,000    
Interest expense, net       700,000    
Loss on extinguishment of debt       2,400,000    
AI Bridge Loan            
Related Party Transaction [Line Items]            
Long-term debt   $ 15,000,000   $ 15,000,000    
AI Bridge Loan | Notes Payable, Other Payables            
Related Party Transaction [Line Items]            
Promissory note amount $ 20,000,000          
Funds available immediately upon execution of note 15,000,000          
Remaining available amount $ 5,000,000          
Effective interest rate, percentage 12.50%          
Threshold amount of proceeds before required prepayment $ 35,000,000          
Repayment fee 125.00%          
[1] Includes related party interest expense of $0.2 million and $0.8 million for the three months ended and nine months ended February 29, 2024, respectively. There was no related party debt issued during three and nine months ended February 28, 2023 and as such, no interest expense was incurred related to related party debt.
[2] Amounts included in the nine months ended February 29, 2024 are related to the extinguishment of related party debt.