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Accounts Payable and Accrued Liabilis (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Accounts Payable and Accrued Liabilis (Details)    
Trade payables $ 0.1 $ 0.2
Accrued legal and consulting expenses 0.1 0.2
Total $ 0.2 $ 0.4