Quarterly report pursuant to Section 13 or 15(d)

Common Stock - Common Stock Warrants - Additional Information (Detail)

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Common Stock - Common Stock Warrants - Additional Information (Detail) - USD ($)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Class of Warrant or Right [Line Items]    
Proceeds from exercise of warrants $ 24,000 $ 236,000
Warrants Issued in December 2019 [Member]    
Class of Warrant or Right [Line Items]    
Warrants to purchase common stock 3,709 31,467
Exercise price per share of warrant $ 6.600 $ 6.60
Proceeds from exercise of warrants $ 24,480 $ 200,000
Warrants Issued in April 2020 [Member]    
Class of Warrant or Right [Line Items]    
Warrants to purchase common stock 3,750  
Exercise price per share of warrant $ 7.32  
Proceeds from exercise of warrants $ 27,450