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Goodwill (Tables)
9 Months Ended
Sep. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Summary of carrying amount of goodwill
The carrying amount of goodwill allocated to the Company’s reportable segments was as follows (in thousands):
 
    
Autonomy
Solutions
    
Other
Component
Sales
    
Total
 
Balance as of December 31, 2019
   $ 687      $ 14      $ 701  
Balance as of September 30, 2020
   $ 687      $ 14      $ 701