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Common Stock and Common Stock Warrants - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
 1 Months Ended
Dec. 01, 2020
Oct. 31, 2018
Mar. 31, 2021
Dec. 31, 2020
Class of Stock [Line Items]        
Common stock, authorized (in shares)     700,000,000 700,000,000
Common stock, par value (in dollars per share)     $ 0.0001 $ 0.0001
Stock warrants issued to purchase common stock (in shares)   75,000    
Stock warrants issued, exercise price (in dollars per share)   $ 2.16    
Stock warrants issued, contractual term   10 years    
Stock warrants issued, required repurchase amount in event of IPO $ 1.5      
Stock warrants reclassified from liability to equity (in shares)       75,000
Stock warrants issued, termination period after closing qualified sale 30 days      
Stock warrants issued, termination period after company IPO price is confirmed (in dollars per share) 10 days