REVENUE RECOGNITION - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 48,686	$ 45,010	$ 157,326	$ 119,145
RPO Recruitment
Disaggregation of Revenue [Line Items]
Revenue	23,801	17,593	75,775	44,625
Contracting
Disaggregation of Revenue [Line Items]
Revenue	$ 24,885	$ 27,417	$ 81,551	$ 74,520

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details