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Fair Value Measurements - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
Jun. 22, 2021
Jun. 17, 2021
Dec. 31, 2020
Oct. 19, 2018
Series A -1 Warrant        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Class of warrants or rights term       10 years
Number of securities called by warrants or rights (in shares)       447,426
Exercise price (in dollars per share)       $ 2.794
Fair value price (in dollars per share) $ 12.02   $ 0.85  
Series B Convertible Preferred Stock Tranche Rights Liability        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Financial liabilities at fair value   $ 81.2 $ 5.0