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Government Assistance
12 Months Ended
Dec. 31, 2021
Research And Development [Abstract]  
Government Assistance

16. Government Assistance

The Company incurred research and development expenditures which are eligible for refundable investment tax credits. The refundable investment tax credits recorded are based on management’s estimates of amounts expected to be recovered and are subject to audit by the taxation authorities. These amounts have been recorded as a reduction of research and development expenditures in the amounts of $1.1 million, $0.9 million and $0.6 million for the years ended December 31, 2021, 2020 and 2019, respectively.