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Related Party Transactions (Tables)
 3 Months Ended
Apr. 30, 2021
Related Party Transactions [Abstract]  
Summary of revenue transactions The following revenue transactions took place between the Company and Daimler during the three months ended April 30, 2021 and 2020:
   
Three Months Ended

April 30,
 
   
2021
   
2020
 
   
(in thousands)
 
Daimler
  
$
1,335
 
  
$
726 
Revenue from related parties
  
$
1,335
 
  
$
726