SEGMENT AND GEOGRAPHIC DATA Geographic Data Reporting (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Segment Reporting Information [Line Items]
Revenue	$ 24,131	$ 16,187
Net assets	32,630	34,839
United Kingdon
Segment Reporting Information [Line Items]
Revenue	3,452	4,011
Net assets	2,159	2,645
Australia
Segment Reporting Information [Line Items]
Revenue	15,031	6,768
Net assets	3,308	3,148
United States
Segment Reporting Information [Line Items]
Revenue	2,873	2,851
Net assets	21,185	24,176
Other
Segment Reporting Information [Line Items]
Revenue	2,775	2,557
Net assets	$ 5,978	$ 4,870