v3.26.1
Prepaid Expenses and Other Current Assets - Summary of Schedule of Prepaid and Other Current Assets (Detail) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Prepaid Expense and Other Assets, Current [Abstract]    
Prepaid expenses $ 180 $ 120
Australian research and development tax credit   52
Other current assets 7 9
Total prepaid expenses and other current assets $ 187 $ 181