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Loss Per Share - Summary of Basic and Diluted Net Loss per Common Share (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Numerator:    
Net loss $ (6,636) $ (6,517)
Denominator:    
Weighted average number of common shares - basic 104,097 88,376
Weighted average number of common shares - diluted 104,097 88,376
Antidilutive options and awards 6,157 3,622
Net loss per ordinary share:    
Basic $ (0.06) $ (0.07)
Diluted $ (0.06) $ (0.07)