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Stock-Based Compensation (Tables)
6 Months Ended
Jun. 30, 2022
Share-Based Payment Arrangement [Abstract]  
Estimated grant date fair values under Black-Scholes option-pricing models assumptions

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Restricted Earn-Out Shares

Expected stock price

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$

7.68

Expected volatility

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81.0%

Risk-free rate

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1.63%

Expected term (in years)

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5.0

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Summary of stock based compensation

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Three Months Ended June 30, 

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Six Months Ended June 30, 

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(in thousands)

2022

    

2021

    

2022

    

2021

 

Research and development

$

1,707

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$

34

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$

2,261

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$

55

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General and administrative

 

3,840

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80

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6,472

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131

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Total stock-based compensation (1)

$

5,547

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$

114

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$

8,733

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$

186

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(1)Includes $2.0 million and $3.6 million of stock-based compensation expense recorded for the Earn-Out Restricted Shares during the three and six months ended June 30, 2022, respectively. Additionally, includes $1.8 million and $1.1 million of stock-based compensation expense recorded for the RSUs and PSUs, respectively, during the three and six months ended June 30, 2022.

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