| Schedule of net earnings (loss) per basic and diluted share | 
Following is the computation of earnings (loss) per basic and diluted
share:
  
    |   | 
  | 
    Three months ended | 
  | 
 
  
    |   | 
  | 
    March 31, | 
  | 
 
  
    |   | 
  | 
    2023 | 
  | 
  | 
    2022 | 
  | 
 
  
    | Numerator: | 
  | 
      | 
  | 
  | 
      | 
  | 
 
  
    | Net loss | 
  | 
    $ | 
(10,180,020 | 
) | 
  | 
    $ | 
(3,504,002 | 
) | 
 
  
    | Net loss attributable to common stockholders | 
  | 
    $ | 
(10,180,020 | 
) | 
  | 
    $ | 
(3,504,002 | 
) | 
 
  
    | Denominator: | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
 
  
    Weighted average shares used to compute basic and diluted EPS  | 
  | 
      | 
39,765,361 | 
  | 
  | 
      | 
9,669,217 | 
  | 
 
  
    |   | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
 
  
    Basic and diluted earnings (loss) per share  | 
  | 
    $ | 
(0.26 | 
) | 
  | 
    $ | 
(0.36 | 
) | 
 
  
    |   | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
 
  
    | Anti-dilutive securities excluded from shares outstanding: | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
 
  
    | Stock options | 
  | 
      | 
3,472,129 | 
  | 
  | 
      | 
4,005,717 | 
  | 
 
  
    | Restricted and performance stock units | 
  | 
      | 
3,169,269 | 
  | 
  | 
      | 
-  | 
  | 
 
  
    | Warrants | 
  | 
      | 
18,722,425 | 
  | 
  | 
      | 
-  | 
  | 
 
  
    | Earnout shares | 
  | 
      | 
7,499,993 | 
  | 
  | 
      | 
-  | 
  | 
 
  
    | Convertible debt | 
  | 
      | 
-  | 
  | 
  | 
      | 
5,299,546 | 
  | 
 
  
    | Debentures | 
  | 
      | 
2,922,425 | 
  | 
  | 
      | 
-  | 
  | 
 
  
    | Total | 
  | 
      | 
35,786,241 | 
  | 
  | 
      | 
9,305,263 | 
  | 
 
   
 | 
Following is the computation
of earnings (loss) per basic and diluted share:
  
    |   | 
  | 
    Year Ended   December 31, | 
  | 
 
  
    |   | 
  | 
    2022 | 
  | 
  | 
    2021 | 
  | 
 
  
    | Numerator: | 
  | 
      | 
  | 
  | 
      | 
  | 
 
  
    | Net loss | 
  | 
    $ | 
(28,260,571 | 
) | 
  | 
    $ | 
(15,127,629 | 
) | 
 
  
    | Less: deemed dividend for Earnout Shares | 
  | 
      | 
(4,957,366 | 
) | 
  | 
      | 
—  | 
  | 
 
  
    | Net loss attributable to common stockholders | 
  | 
    $ | 
(33,217,937 | 
) | 
  | 
    $ | 
(15,127,629 | 
) | 
 
  
    | Denominator: | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
 
  
    Weighted average shares used to compute basic and diluted EPS  | 
  | 
      | 
18,982,139 | 
  | 
  | 
      | 
9,637,962 | 
  | 
 
  
    |   | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
 
  
    Basic and diluted earnings (loss) per share  | 
  | 
    $ | 
(1.75 | 
) | 
  | 
    $ | 
(1.57 | 
) | 
 
  
    |   | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
 
  
    | Anti-dilutive securities excluded from shares outstanding: | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
 
  
    | Stock options | 
  | 
      | 
3,506,184 | 
  | 
  | 
      | 
3,949,158 | 
  | 
 
  
    | Restricted and performance stock units | 
  | 
      | 
3,134,677 | 
  | 
  | 
      | 
—  | 
  | 
 
  
    | Warrants | 
  | 
      | 
18,722,425 | 
  | 
  | 
      | 
—  | 
  | 
 
  
    | Earnout shares | 
  | 
      | 
7,499,993 | 
  | 
  | 
      | 
—  | 
  | 
 
  
    | Debentures | 
  | 
      | 
2,922,425 | 
  | 
  | 
      | 
—  | 
  | 
 
  
    | Total | 
  | 
      | 
35,785,704 | 
  | 
  | 
      | 
3,949,158 | 
  | 
 
   
 |