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REVENUE (Tables)
12 Months Ended
Dec. 31, 2020
Revenue from Contract with Customer [Abstract]  
Summary of Revenues from Contracts with Customers Disaggregated by Categories
The following table presents the Company’s revenues from contracts with customers disaggregated by categories which best represents how the nature, amount, timing and uncertainty of revenues are affected by economic factors.
Years ended December 31,
20202019
Revenue by customer
Related party
$22,763 $20,562 
Commercial
5,963 4,755 
Total Revenue by Customer
$28,726 $25,317 
Years ended December 31,
20202019
Revenue by contract type
Fixed-price
$5,229 $4,137 
Cost-plus
13,702 14,546 
Time and Material
9,795 6,634 
Total Revenue by contract type
$28,726 $25,317