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Warrants (Tables)
3 Months Ended
Mar. 31, 2023
Warrants [Abstract]  
Schedule of outstanding warrants
Exercise Price  Number of
warrants
   Weighted-
average
remaining
contractual term
(years)
   Weighted
average exercise
price
 
$ 1.88   2,000,000    4.38      
$ 3.50   8,680,000    3.65      
$ 6.00   276,000    3.47      
$ 6.25   4,400,000    3.47      
    15,356,000    3.69   $4.12