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Net Loss Per Share - Potential shares excluded from calculation (Details) - shares
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Stock Options    
Net Loss Per Share    
Antidilutive securities excluded from computation of earnings per share 1,686,292 1,607,941
Warrants    
Net Loss Per Share    
Antidilutive securities excluded from computation of earnings per share 2,400 2,400