| 
 10.   Net Loss Per Share of Class A Common Stock  
The following table includes the calculation of basic and diluted net loss per share:  
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Three Months Ended June 30, | 
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Six Months Ended June 30, | 
 
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2024 | 
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2023 | 
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2024 | 
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2023 | 
 
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(in thousands except per share information) | 
 
| Net loss available to common stockholders | 
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$ | 
(9,397) | 
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$ | 
(33,431) | 
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$ | 
(25,207) | 
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$ | 
(50,746) | 
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| Basic and diluted net loss per share | 
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$ | 
(0.06) | 
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$ | 
(0.24) | 
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$ | 
(0.17) | 
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$ | 
(0.39) | 
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| Shares used in the computation of basic and diluted net loss per share | 
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145,186  | 
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137,208  | 
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144,214  | 
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130,712  | 
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The potentially dilutive securities listed below were not included in the calculation of diluted weighted average common shares outstanding, as their effect would have been anti-dilutive during the three and six months ended June 30, 2024 and 2023.  
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Three and Six Months Ended June 30, | 
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2024 | 
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2023 | 
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(in thousands) | 
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| Restricted Class A common stock | 
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8  | 
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38  | 
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| Class A common stock warrants | 
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1,770  | 
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1,770  | 
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| Stock options | 
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7,070  | 
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7,705  | 
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| Restricted stock units | 
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14,971  | 
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6,187  | 
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| Public Warrants (exercisable for Class A common stock) treated as liability | 
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15,813  | 
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15,813  | 
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| Private Placement Warrants (exercisable for Class A common stock) treated as liability | 
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24,729  | 
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24,729  | 
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| Sponsor Shares | 
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2,372  | 
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2,372  | 
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