Quarterly report pursuant to Section 13 or 15(d)

Accounts Payable and Accrued Expenses (Details)

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Accounts Payable and Accrued Expenses (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Accounts Payable and Accrued Expenses    
Accounts payable $ 202 $ 143
Accrued employee compensation 302 23
Accrued contracted services and other 168 691
Accounts payable and accrued expenses $ 672 $ 857