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Accounts Receivable
 6 Months Ended
Jun. 30, 2020
Accounts Receivable  
Accounts Receivable

4. Accounts Receivable

 

Accounts receivable consisted of the following:

 

 

 

 

 

 

 

 

 

    

June 30, 2020

    

December 31, 2019

 

 

 

 

 

 

    

Trade accounts receivable

 

$

38,716

 

$

39,004

Unbilled accounts receivable

 

 

6,882

 

 

4,223

 

 

 

45,598

 

 

43,227

Less allowance for doubtful accounts

 

 

(281)

 

 

(395)

 

 

$

45,317

 

$

42,832