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Revenue (Tables)
9 Months Ended
Sep. 30, 2020
Revenue from Contract with Customer [Abstract]  
Summary of Sales from Contracts with Customers Disaggregated by Categories
The following table presents the Company’s sales from contracts with customers disaggregated by categories which best represents how the nature, amount and timing and uncertainty of sales are affected by economic factors.
Three Months Ended September 30,Nine Months Ended September 30,
2020201920202019
Revenue by customer
Related party
$5,957 $4,673 $16,030 $13,469 
Commercial
1,373 1,007 4,730 2,430 
Total Revenue by customer
$7,330 $5,680 $20,760 $15,899 
Revenue by contract type
Fixed-price
$1,771 $1,103 $3,797 $2,077 
Cost-plus
3,779 2,800 10,867 10,686 
Time and Material
1,780 1,777 6,096 3,136 
Total Revenue by contract type
$7,330 $5,680 $20,760 $15,899