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Net Loss Per Share (Details) - shares
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Anti-dilutive securities    
Potentially dilutive common shares not been included in net loss per common share calculations because the effect would have been anti-dilutive 4,344,622 3,085,287
Stock Options    
Anti-dilutive securities    
Potentially dilutive common shares not been included in net loss per common share calculations because the effect would have been anti-dilutive 4,344,622 3,085,287