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Summary of Significant Accounting Policies (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Research and development incentive income and receivable          
Research and development expenses reimbursed (as a percent)     43.50%   43.50%
Research and development incentive receivable $ 780   $ 780   $ 771
Australian research and development incentives 499 $ 554 0 $ 1,124  
Research and development incentive income and receivable          
Balance at the beginning of the period     771 2,099 2,099
Cash received for 2022 eligible expenses         (2,333)
Australian research and development incentive income (499) $ 554   $ 1,124 1,101
Foreign currency translation     9   (96)
Balance at the end of the period 780   780   771
Other Assets          
Deposits $ 865   865   966
Dividend attributable to down round feature of warrants     $ 234    
Incremental borrowing rate 8.00%   8.00%    
2017 Warrants          
Other Assets          
Dividend attributable to down round feature of warrants     $ 234    
Maximum | 2017 Warrants          
Other Assets          
Warrants     $ 10.55    
Minimum | 2017 Warrants          
Other Assets          
Warrants     $ 2.82    
License and Service          
Other Assets          
Deposits $ 865   $ 865   $ 966