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Commitments and Contingencies (Tables)
12 Months Ended
Sep. 30, 2025
Commitments and Contingencies Disclosure [Abstract]  
Schedule of operating lease costs
         
   Years ended September 30,
   2025  2024  2023
Operating lease costs  $134   $125   $118 
Schedule of contributions under the plan
         
   Years ended September 30,
   2025  2024  2023
Contributions to 401(k) plan  $255   $279   $232 
Schedule of stock option activity
                    
   Number of Options  Weighted Average Exercise Price
($)
  Weighted Average Grant Date Fair Value
($)
  Aggregate intrinsic value
($)
Outstanding, September 30, 2024   15,037,754    6.80    5.12    15,825,791 
Granted   1,488,500    8.58    6.22     
Expired   (100,100)   16.23         
Exercised   (1,383,988)   3.21     1.31    9,324,901 
Forfeited   (80,583)   4.56    0.55     
Outstanding, September 30, 2025   14,961,583    7.25    5.46    39,715,608 
Exercisable, September 30, 2025   10,418,213    6.22    4.83    34,762,588 
Schedule of summarizes information about stock options
                                
Range of exercises prices  Number of outstanding  Weighted average remaining contractual life  Weighted average exercise  Number of vested  Weighted average exercise
From  To  options  (in years)  price  options  price
$2.30   $5.00    4,315,700    3.15   $3.02    4,220,283   $2.99 
$5.01   $7.00    3,299,536    5.23   $5.62    2,325,162   $5.72 
$7.01   $9.00    4,372,347    6.66   $8.09    2,222,101   $7.82 
$9.01   $13.00    1,609,000    6.31   $10.29    1,120,667   $10.37 
$13.01   $25.00    1,365,000    5.91   $18.33    530,000   $18.67 
           14,961,583    5.22   $7.25    10,418,213   $6.22 
Schedule of general and administrative expenses and research and development expenses
               
   Years ended September 30,
   2025  2024  2023
General and administrative  $4,536   $3,625   $5,558 
Research and development   7,013    5,813    10,812 
Total share-based compensation  $11,549   $9,438   $16,370 
Schedule of weighted average assumptions for fair value of each option award
               
   2025  2024  2023
Risk-free interest rate   3.98%   4.28%   3.70%
Expected life of options (years)   5.57    5.78    5.64 
Annualized volatility   86.49%   84.81%   85.13%
Dividend rate   0.00%   0.00%   0.00%