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Accounts Receivable
3 Months Ended
Mar. 31, 2022
Accounts Receivable  
Accounts Receivable

3. Accounts Receivable

Accounts receivable consisted of the following:

    

March 31, 2022

    

December 31, 2021

    

Trade accounts receivable

 

$

59,487

 

$

50,042

Unbilled accounts receivable

 

11,852

 

10,997

 

71,339

 

61,039

Less allowance for doubtful accounts

(162)

(86)

$

71,177

$

60,953