XML 35 R26.htm IDEA: XBRL DOCUMENT v3.22.2
Details of Certain Financial Statement Components - Accrued liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Accrued liabilities    
Accrued compensation and benefits $ 172 $ 402
Accrued vacation 94 82
Other accrued liabilities 23 23
Total accrued liabilities $ 289 $ 507