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Net Loss per Share - Computation of Basic and Diluted Net Loss Per Share Attributable to Common Stockholders (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Earnings Per Share [Abstract]        
Net loss $ (8,052) $ (9,794) $ (15,381) $ (18,165)
Weighted average common shares used in net loss per share attributable to common stockholders, basic 59,542,628 20,123,461 45,253,599 19,772,201
Weighted average common shares used in net loss per share attributable to common stockholders, diluted 59,542,628 20,123,461 45,253,599 19,772,201
Basic net loss per common share outstanding $ (0.14) $ (0.49) $ (0.34) $ (0.92)
Diluted net loss per common share outstanding $ (0.14) $ (0.49) $ (0.34) $ (0.92)