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Debt and Other Financing Arrangements - WTI Loan Facility (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended 11 Months Ended 60 Months Ended
Sep. 11, 2024
Sep. 30, 2024
Sep. 30, 2024
Sep. 30, 2024
Jun. 30, 2025
Sep. 30, 2024
Aug. 15, 2025
Sep. 11, 2029
Debt Instrument [Line Items]                
Default interest on overdue balance, percentage 0.050              
Unamortized debt issuance cost   $ 1,385,000 $ 1,385,000 $ 1,385,000   $ 1,385,000    
Amortization of debt issuance costs       43,000   43,000    
Interest expense       $ 136,000   $ 136,000    
Redeemable Common Stock                
Debt Instrument [Line Items]                
Stock issued during period, price per share (in dollars per share) $ 7.66              
Private Placement                
Debt Instrument [Line Items]                
Sale of stock, shares issued in transaction (in shares) 750,000   750,000          
Private Placement | Minimum                
Debt Instrument [Line Items]                
Put option, exercise period 5 years              
Private Placement | Maximum                
Debt Instrument [Line Items]                
Put option, exercise period 10 years              
Private Placement - Shares Subject to Vesting                
Debt Instrument [Line Items]                
Number of unvested shares (in shares)   187,500 187,500 187,500   187,500    
Forecast | Redeemable Common Stock                
Debt Instrument [Line Items]                
Accretion to redemption value, per share (in dollars per share)               $ 8.40
Term Loan | WTI Loan Facility                
Debt Instrument [Line Items]                
Term loan facility $ 15,000,000              
Interest rate   12.00% 12.00% 12.00%   12.00%    
Payment-in-kind interest, percentage 0.025              
Payment of interest, market capitalization threshold $ 250,000,000              
Threshold consecutive trading days 10 days              
Prepayment term (in days) 60 days              
Prepayment discount 0.30              
Term Loan | WTI Loan Facility | Base Rate                
Debt Instrument [Line Items]                
Interest rate 3.50%              
Term Loan | WTI Loan Facility | Floor Rate                
Debt Instrument [Line Items]                
Interest rate 12.00%              
Term Loan | WTI Loan Facility | Forecast                
Debt Instrument [Line Items]                
Minimum revenue requirement         $ 48,600,000      
Total cash burn, maximum             $ 600,000  
Net proceeds from equity financing, minimum             $ 6,000,000  
Term Loan | WTI Loan Facility | First Tranche Commitment                
Debt Instrument [Line Items]                
Term loan facility $ 10,000,000              
Proceeds from long-term borrowings and issuance of redeemable common stock (Note 4)   $ 7,500,000            
Remaining borrowing capacity   $ 2,500,000 $ 2,500,000 $ 2,500,000   $ 2,500,000    
Term Loan | WTI Loan Facility | First Tranche Commitment Extension                
Debt Instrument [Line Items]                
Term loan facility 2,500,000              
Term Loan | WTI Loan Facility | Second Tranche Commitment                
Debt Instrument [Line Items]                
Term loan facility $ 5,000,000