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Warrants to Purchase Convertible Preferred Stock - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Warrants And Rights Note Disclosure [Abstract]    
Warrants to purchase shares of common stock 103,326  
Warrant, exercise price $ 4.46  
Warrants expiry date Feb. 29, 2028  
Change in fair value of warrant liability $ 1,252 $ 104