v3.26.1
Fair Value of Financial Instruments (Tables)
 6 Months Ended
Mar. 31, 2026
Fair Value of Financial Instruments [Abstract]  
Schedule of Assets and Liabilities that were Measured at Fair Value on a Recurring Basis The fair value hierarchy requires the use of observable market data when available in determining fair value. Our assets and liabilities that were measured at fair value on a recurring basis were as follows:

 

    March 31, 2026     September 30, 2025  
    Fair Value     Level I     Level II     Level III     Fair Value     Level I     Level II     Level III  
U.S. government securities   $ 34,175     $ 34,175     $ -     $ -     $ 18,391     $ 18,391     $ -     $ -  
Certificates of deposit     78,795       -       78,795       -       47,972       -       47,972       -  
Money market funds     6,623       6,623       -       -       45,532       45,532       -       -  
Liability-classified Warrants     2,578       -       -       2,578       19,285       -       -       19,285  
Total   $ 122,171     $ 40,798     $ 78,795     $ 2,578     $ 131,180     $ 63,923     $ 47,972     $ 19,285  
Schedule of Cash, Cash Equivalents and Investments Classified by Security Type

Our cash, cash equivalents and investments classified by security type as of March 31, 2026 and September 30, 2025 consisted of the following:

 

    March 31, 2026  
          Gross     Gross           Cash and        
    Adjusted     Unrealized     Unrealized           Cash     Short-Term  
    Cost     Gains     Losses     Fair Value     equivalents     Investments  
Cash   $ 242,981     $ -     $     -     $ 242,981     $ 242,981     $ -  
U.S. government securities     34,003       172       -       34,175       1,045       33,130  
Certificates of deposit and time deposits     78,795       -       -       78,795       -       78,795  
Money market funds     6,623       -       -       6,623       6,623       -  
Total cash, cash equivalents and short-term investments   $ 362,402     $ 172     $ -     $ 362,574     $ 250,649     $ 111,925  
    September 30, 2025  
          Gross     Gross            Cash and        
    Adjusted     Unrealized     Unrealized           Cash     Short-Term  
    Cost     Gains     Losses     Fair Value     Equivalents     Investments  
Cash   $ 76,441     $ -     $      -     $ 76,441     $ 76,441     $ -  
U.S. government securities     80,915       393       -       81,308       62,917       18,391  
Certificates of deposit and time deposits     48,656       -       -       48,656       684       47,972  
Money market funds     45,532       -       -       45,532       45,532       -  
Total cash, cash equivalents and short-term investments   $ 251,544     $ 393     $ -     $ 251,937     $ 185,574     $ 66,363