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ACCOUNT RECEIVABLE, NET - Components of Accounts Receivable (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021
Receivables [Abstract]
Billed receivables	$ 19,266		$ 17,798
Unbilled receivables	8,298		8,523
Accounts Receivable, Gross	27,564		26,321
Allowance for expected credit losses	(102)	$ (102)	(51)	$ (64)	$ (197)	$ (196)
Accounts Receivable, Net	$ 27,462		$ 26,270