v3.26.1
Long-Term Debt and Convertible Notes - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended
Jan. 30, 2026
Aug. 12, 2025
Aug. 08, 2025
Feb. 13, 2025
Aug. 15, 2023
Aug. 09, 2023
May 31, 2021
Mar. 31, 2026
Sep. 30, 2025
Mar. 31, 2025
Debt Instrument [Line Items]                    
Long-term debt, description           The Initial Working Capital Facility Agreement had a term of four years, with a springing maturity date that was 91 days prior to the stated maturity of our 2026 Convertible Notes (as defined below), if still outstanding at such time.        
Loan agreement, term           4 years        
Loan agreement spring maturity date           91 days        
Debt instrument, interest rate         9.95%          
Accrued paid-in-kind fixed interest rate         1.50%          
Paid-in-kind interest amount               $ 1,600,000    
Amortization of debt discount and debt issuance costs               220,000   $ 211,000
Other Non-current Liabilities                    
Debt Instrument [Line Items]                    
Term fee accreted               $ 4,900,000    
Common Stock | Exchange Agreement                    
Debt Instrument [Line Items]                    
Debt conversion, converted instrument, shares issued     16,666,666              
Tranche 1A | Warrant                    
Debt Instrument [Line Items]                    
Percentage of principal amount of loan funded to lender           2.00%        
Hercules Capital Inc                    
Debt Instrument [Line Items]                    
Convertible debt issuable in connection with private placement   $ 300,000 $ 150,000,000   $ 50,000,000          
Loss on extinguishment of debt                 $ 5,500,000  
Debt issuance costs incurred     $ 3,500,000              
Effective interest rate               11.70%    
Interest expense               $ 3,200,000   900,000
Interest expense, debt, excluding amortization               2,600,000   600,000
Paid-in-kind interest amount               300,000   100,000
Paid-in-kind interest amount               700,000    
Amortization of debt discount and debt issuance costs               300,000   200,000
Common stock exercise price, per share           $ 1.68        
Debt instrument, maturity date, description       On February 13, 2025, we entered into an amendment to the Initial Working Capital Facility Agreement (the “First Amendment to the Working Capital Facility Agreement”) to extend the maturity date to the earlier of (a) September 1, 2027 and (b) to the extent that any of the 2026 Convertible Notes remain outstanding on such date, (i) May 12, 2026 or (ii) in the event that the maturity date of any 2026 Convertible Notes is extended, prior to May 12, 2026, to August 11, 2026, or later, the date that is 91 days prior to the maturity date of such further extended 2026 Convertible Notes.            
Debt instrument, maturity date       Sep. 01, 2027            
Debt instrument maturity date       May 12, 2026            
Debt instrument, maturity date     Sep. 01, 2030              
Carrying value of debt               108,300,000    
Payment for facility charge   1,100,000                
Debt instrument, term fee     $ 3,900,000     $ 200,000        
Debt instrument, face amount               110,800,000    
Debt issuance costs               3,200,000    
Adjustment of interest rate to prime, percentage     7.50%              
Cash interest percentage     1.95%              
Paid-in-kind interest percentage     1.00%              
Upfront facility charge payment percentage     1.00%              
Hercules Capital Inc | Maximum                    
Debt Instrument [Line Items]                    
End of term charge percentage 6.50%   6.25%              
Hercules Capital Inc | Maximum | Common Stock                    
Debt Instrument [Line Items]                    
Number of shares warrant issued to lender           297,619        
Hercules Capital Inc | Tranche 1A                    
Debt Instrument [Line Items]                    
Convertible debt issuable in connection with private placement         25,000,000          
Hercules Capital Inc | Tranche 1B                    
Debt Instrument [Line Items]                    
Convertible debt issuable in connection with private placement         5,000,000          
Hercules Capital Inc | Tranche 1C                    
Debt Instrument [Line Items]                    
Convertible debt issuable in connection with private placement         $ 20,000,000          
Hercules Capital Inc | Tranche 1                    
Debt Instrument [Line Items]                    
Convertible debt issuable in connection with private placement   110,000,000 $ 110,000,000              
Debt instrument capitalized paid-in-kind interest   $ 800,000                
Accrued and unpaid interest     700,000              
Hercules Capital Inc | Tranche 2                    
Debt Instrument [Line Items]                    
Convertible debt issuable in connection with private placement     20,000,000              
Hercules Capital Inc | Tranche 3                    
Debt Instrument [Line Items]                    
Convertible debt issuable in connection with private placement     20,000,000              
2026 Senior Convertible Notes                    
Debt Instrument [Line Items]                    
Amortization of debt issuance costs                   100,000
Debt instrument, interest rate             1.50%      
Convertible debt issuable in connection with private placement     150,000,000       $ 150,000,000 $ 0    
Loss on extinguishment of debt                 $ 5,800,000  
Debt issuance costs incurred             1,000,000      
Effective interest rate               1.60%    
Interest expense                   600,000
Interest expense, debt, excluding amortization                   $ 500,000
Debt instrument fair value exchange for cash consideration     125,000,000              
Net proceeds from convertible notes financing             $ 149,000,000      
Debt instrument, maturity date             May 26, 2026      
Debt instrument, frequency of periodic payment             semi-annually      
Debt Instrument remaining outstanding     125,000,000              
Debt Conversion, Converted Instrument, Amount     25,000,000              
2026 Senior Convertible Notes | Common Stock                    
Debt Instrument [Line Items]                    
Debt instrument fair value exchange for stock     $ 30,700,000              
2031 Senior Convertible Notes | Rubric Capital Management LP                    
Debt Instrument [Line Items]                    
Amortization of debt issuance costs               $ 30,000.00    
Debt instrument, interest rate     5.00%              
Convertible debt issuable in connection with private placement     $ 35,000,000              
Debt issuance costs incurred               $ 1,400,000    
Effective interest rate               7.14%    
Interest expense               $ 600,000    
Paid-in-kind interest amount               600,000    
Issuance discount               1,750,000    
Net proceeds from convertible notes financing     $ 31,900,000              
Debt instrument, maturity date     Mar. 01, 2031              
Debt instrument, frequency of periodic payment     semi-annually              
Debt instrument, redemption period, stock price exceeds in percentage of conversion price     200.00%              
Initial conversion price/rate     $ 555.5556              
Debt instrument conversion ratio multiple of principal     $ 1,000              
Common shares registered for resale in connection with convertible notes     19,444,444              
Carrying value of debt               33,300,000    
Debt instrument, face amount               35,000,000    
Debt issuance costs               $ 3,300,000    
Paid-in-kind interest percentage     7.00%              
2031 Senior Convertible Notes | Rubric Capital Management LP | Common Stock                    
Debt Instrument [Line Items]                    
Initial conversion price/rate     $ 1.8              
2031 Senior Convertible Notes | Rubric Capital Management LP | Minimum                    
Debt Instrument [Line Items]                    
Stock conversion percentage     19.99%