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Shareholders' Deficit - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 6 Months Ended
Mar. 31, 2021
Jun. 30, 2021
Jun. 11, 2021
Jun. 10, 2021
Mar. 01, 2021
Class of Warrant or Right [Line Items]          
Issuance of common stock upon exercise of stock options (in shares)   794,808      
Cashless exercise of warrants 43,115        
Warrants outstanding   200,000      
Warrant exercise price (in USD per share)   $ 23.00      
Amended 2017 Omnibus Incentive Compensation Plan          
Class of Warrant or Right [Line Items]          
Number of shares authorized     12,600,000 4,000,000  
Outstanding warrants to purchase common stock          
Class of Warrant or Right [Line Items]          
Issuance of common stock upon exercise of stock options (in shares) 24,901        
At The Market (ATM) Program          
Class of Warrant or Right [Line Items]          
Maximum aggregate offering price         $ 150.0