Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Summary of stock option activity (Details)

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Stock-Based Compensation - Summary of stock option activity (Details) - 2021 Omnibus Incentive Plan - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Number of shares    
Outstanding at the beginning 2,400,315  
Granted 552,000  
Forfeited (45,367)  
Outstanding at the end 2,906,948 2,400,315
Options vested and exercisable 1,131,708  
Weighted average exercise price    
Outstanding at the beginning (in dollars per share) $ 6.28  
Granted (in dollars per share) 3.00  
Forfeited (in dollars per share) (14.05)  
Outstanding at the end (in dollars per share) 5.54 $ 6.28
Options vested and exercisable $ 3.09  
Weighted average remaining remaining term (in years)    
Outstanding 8 years 7 years 9 months 18 days
Granted (in years) 10 years  
Options vested and exercisable 6 years 2 months 12 days  
Aggregate intrinsic value    
Outstanding at the beginning (in dollars) $ 4,224  
Outstanding at the end (in dollars) 1,006 $ 4,224
Options vested and exercisable $ 969