XML 52 R40.htm IDEA: XBRL DOCUMENT v3.22.0.1
Composition of Certain Financial Statement Captions - Accounts Payable and Accrued Expenses (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Accounts Payable and Accrued Expenses [Abstract]    
Accounts payable $ 2,611 $ 789
Accrued payroll and bonus 781 738
Accrued professional fees 189 276
Accrued vacation and compensation $ 252 245
Finance lease obligation -- current   $ 10
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Accounts payable and accrued expenses, Total Accounts payable and accrued expenses, Total
Other current liabilities $ 122 $ 23
Accrued R&D studies 196  
Accounts payable and accrued expenses, Total $ 4,151 $ 2,081