ACCOUNTS RECEIVABLE, NET (Tables)

9 Months Ended

Sep. 30, 2021

Receivables [Abstract]

Schedule of change in allowance for doubtful accounts and expected credit losses

Accounts receivable, net consists of the following:

(in thousands)	September 30, 2021		December 31, 2020
Billed	$	20,087	$	19,703
Unbilled	5,155		8,291
	25,242		27,994
Less: Allowance for credit losses	(5,943)		(5,581)
Total	$	19,299	$	22,413

Changes in allowance for expected credit losses consist of the following:

			Additions
(in thousands)	Balance at Beginning of Period		Charged to Expenses		Deductions Note (1)		Balance at End of Period
Allowance for expected credit losses:
Nine months ended September 30, 2021	$	5,581	$	1,268	$	906	$	5,943
Twelve months ended December 31, 2020	4,472		2,229		1,120		5,581

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(1)    Amounts written off as uncollectible or transferred to other accounts or utilized.