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Stock-Based Compensation - Summary of Stock Option Activity (Details) - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Number of Options        
Outstanding, Beginning Balance 2,633,175 1,383,591    
Outstanding, Ending Balance 11,184,450 2,633,175 1,383,591  
Stock options        
Number of Options        
Outstanding, Beginning Balance 2,633,175 1,383,591 1,546,521  
Granted 1,100,500 1,481,000 73,500  
Exercised (739,956) (82,083)    
Expired or Forfeited (170,085) (149,333) (236,430)  
Outstanding, Ending Balance 2,823,634 2,633,175 1,383,591 1,546,521
Weighted Average Exercise Price        
Outstanding, Beginning Balance $ 3.09 $ 4.77 $ 5.11  
Granted 17.23 1.66 2.36  
Exercised 3.36 4.67    
Expired or Forfeited 8.58 3.68 6.21  
Outstanding, Ending Balance $ 7.67 $ 3.09 $ 4.77 $ 5.11
Weighted Average Remaining Life (Years)        
Options Outstanding, Weighted Average Remaining Life (Years) 7 years 11 months 12 days 6 years 6 months 10 days 6 years 3 months 7 years 2 months 8 days