v3.25.2
Details of Certain Financial Statement Components - Accrued liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Accrued liabilities    
Accrued wages and benefits $ 144 $ 194
Accrued vacation 141 146
Other accrued liabilities 27 37
Total accrued liabilities $ 312 $ 377