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Share-based Compensation - Summary of Company's Stock Option Activity (Details) - $ / shares
6 Months Ended 12 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Shares    
Outstanding at beginning of period (in shares) 4,715,859 4,739,858
Granted (in shares) 280,791 0
Exercised (in shares) 0 0
Forfeited (in shares) 0 0
Expired (in shares) (1,500) (23,999)
Outstanding at end of period (in shares) 4,995,150 4,715,859
Shares, Eligible for exercise (in shares) 4,995,150  
Weighted Average Exercise Price    
Outstanding at beginning of period (in usd per share) $ 5.13 $ 5.13
Granted (in usd per share) 3.25 0
Exercised (in usd per share) 0 0
Forfeited (in usd per share) 0 0
Expired (in usd per share) 4.06 5.31
Outstanding at end of period (in usd per share) 5.02 $ 5.13
Weighted average exercise price, Eligible for exercise (in usd per share) $ 5.02