SEGMENT AND GEOGRAPHIC DATA - Geographic Data Reporting (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information [Line Items]
Revenue	$ 43,072	$ 51,917
Long-lived assets, net of accumulated depreciation and amortization	9,762	10,064
Net assets	46,395	45,792
Australia
Segment Reporting Information [Line Items]
Revenue	24,372	28,386
Long-lived assets, net of accumulated depreciation and amortization	68	74
Net assets	9,446	8,744
United States
Segment Reporting Information [Line Items]
Revenue	8,670	13,895
Long-lived assets, net of accumulated depreciation and amortization	8,764	9,070
Net assets	24,351	25,204
United Kingdon
Segment Reporting Information [Line Items]
Revenue	6,149	5,773
Long-lived assets, net of accumulated depreciation and amortization	43	49
Net assets	3,739	3,529
Other
Segment Reporting Information [Line Items]
Revenue	3,881	3,863
Long-lived assets, net of accumulated depreciation and amortization	887	871
Net assets	$ 8,859	$ 8,315