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Loss Per Share - potentially dilutive outstanding securities were excluded from the computation of diluted net loss per share (Details) - shares
6 Months Ended 12 Months Ended
Jun. 30, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 48,655,145 27,943,081    
Convertible Debentures        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 2,343,750 0    
Stock Options        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 31,353,086 16,939,093 18,967,724 20,746,432
Public Warrants        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 6,854,309 6,899,988 0 0
Private Warrants        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 4,104,000 4,104,000 0 0
Retainer Shares        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 4,000,000 0