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Balance Sheet Details (Tables)
9 Months Ended
Sep. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Other Current Assets and Prepaid Expenses Other Current Assets and Prepaid Expenses consist of (in thousands):
September 30, 2022December 31, 2021
Prepaid clinical and related costs$8,938 $14,853 
VAT receivable241 279 
Australian research and development tax incentive3,150 1,871 
Other1,549 1,122 
Total$13,878 $18,125 
Schedule of Accounts Payable and Accrued Expenses Accounts Payable consist of (in thousands):
September 30, 2022December 31, 2021
Clinical costs$3,748 $3,427 
Legal and audit costs114 72 
Other310 246 
Total$4,172 $3,745 
Accrued expenses consist of (in thousands):
September 30, 2022December 31, 2021
Accrued clinical and related costs$5,504 $6,214 
Accrued legal and audit costs85 96 
Accrued compensation881 674 
Accrued other153 87 
Total$6,623 $7,071 
Schedule of Other Current Liabilities Other Current Liabilities consist of (in thousands):
September 30, 2022December 31, 2021
Lease liabilities$395 $408 
Other324 177 
Total719 585