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Net Loss per Common Share (Tables)
3 Months Ended
Mar. 31, 2023
Net loss per common share:  
Schedule of anti-dilutive stock
         
   March 31, 
   2023   2022 
Options to purchase common stock   177    208 
Unvested restricted stock units   72,755    73,899 
Warrants to purchase common stock   545,401    545,401 
Total   618,333    619,508