SEGMENT AND GEOGRAPHIC DATA - Geographic Data Reporting (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Information [Line Items]
Revenue	$ 56,723	$ 39,674	$ 108,640	$ 74,135
Long-lived assets, net of accumulated depreciation and amortization	9,598	10,078	9,598	10,078
Net assets	45,168	39,316	45,168	39,316
Australia
Segment Reporting Information [Line Items]
Revenue	26,724	26,543	55,110	50,017
Long-lived assets, net of accumulated depreciation and amortization	33	29	33	29
Net assets	9,869	7,925	9,869	7,925
United States
Segment Reporting Information [Line Items]
Revenue	13,866	5,067	27,762	9,315
Long-lived assets, net of accumulated depreciation and amortization	9,482	9,968	9,482	9,968
Net assets	24,949	21,510	24,949	21,510
United Kingdon
Segment Reporting Information [Line Items]
Revenue	11,946	5,005	17,720	8,876
Long-lived assets, net of accumulated depreciation and amortization	50	42	50	42
Net assets	3,375	2,729	3,375	2,729
Other
Segment Reporting Information [Line Items]
Revenue	4,187	3,059	8,048	5,927
Long-lived assets, net of accumulated depreciation and amortization	33	39	33	39
Net assets	$ 6,975	$ 7,152	$ 6,975	$ 7,152