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Research and Development Prepaid Expenses and Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid research and development expenditures	$ 6,138	$ 8,490
Accrued research and development expenditure	$ 5,226	$ 1,502

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- Definition

Accrued Research And Development, Current

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- Definition

Research and Development Prepaid Expenses, Current

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No definition available.

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No definition available.

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