REVENUE RECOGNITION (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Revenue	$ 45,010	$ 25,413	$ 119,145	$ 74,117
Deferred revenue	422	248	422	248
RPO Recruitment
Disaggregation of Revenue [Line Items]
Revenue	17,593	8,780	44,625	27,488
Contracting
Disaggregation of Revenue [Line Items]
Revenue	$ 27,417	$ 16,633	$ 74,520	$ 46,629