XML 49 R37.htm IDEA: XBRL DOCUMENT v3.21.2
Schedule of Accrued Expenses (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Payables and Accruals [Abstract]    
Compensation $ 4 $ 2
Professional fees 176 124
Other expenses 182 316
Accrued expenses $ 362 $ 442