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Accrued Liabilities (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Accrued Liabilities [Abstract]    
Employee compensation $ 3.6 $ 2.3
Taxes 2.4 1.1
Professional fees 1.6 3.2
Bonus 3.3 2.5
Interest 2.2 0.3
Other 2.4 1.4
Accrued Liabilities $ 15.5 $ 10.8