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Summary of Significant Accounting Policies - Summary of Anti-dilutive Stock Based Compensation Awards and Convertible Notes (Detail) - shares
9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Stock Options [Member]    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Anti-dilutive stock based compensation awards 3,956,827 3,860
Stock Warrants [Member]    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Anti-dilutive stock based compensation awards 7,677,441 391,900