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Loss per Share - Outstanding Options and Warrants (Details) - shares
shares in Thousands
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Employee Stock Option    
Antidilutive securities excluded from EPS 1,762 5,032
Convertible Debt to Purchase Common Shares    
Antidilutive securities excluded from EPS 2,968 3,127
Restricted Share Units to Purchase Common Shares    
Antidilutive securities excluded from EPS   298
Warrants to Purchase Common Shares    
Antidilutive securities excluded from EPS 116 150