XML 36 R24.htm IDEA: XBRL DOCUMENT v3.20.2
Accounts Receivable and Contract Assets (Tables)
 9 Months Ended
Sep. 30, 2020
Accounts Receivable and Contract Assets [Abstract]  
Accounts Receivable and Contract Assets
Accounts receivable and contract assets are summarized in the following table:

 
As of
Sep. 30, 2020
  
As of
Dec. 31, 2019
  
Change
 
             
Accounts receivable – customers
 
$
5,392
  
$
4,574
  
$
818
 
Other receivables
  
278
   
152
   
126
 
   
5,670
   
4,726
   
944
 
Less: allowance for doubtful accounts
  
(477
)
  
(305
)
  
(172
)
Accounts receivable, net
 
$
5,193
  
$
4,421
  
$
772
 
             
Unbilled revenue
 
$
2,801
  
$
2,276
  
$
525