SEGMENT AND GEOGRAPHIC DATA Geographic Data Reporting (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Segment Reporting Information [Line Items]
Revenue	$ 17,127	$ 15,898	$ 50,357	$ 44,371
Long-lived assets	157	131	157	131
Net assets	41,372	8,776	41,372	8,776
United Kingdon
Segment Reporting Information [Line Items]
Revenue	4,194	3,023	11,558	8,322
Net assets	3,713	1,574	3,713	1,574
Australia
Segment Reporting Information [Line Items]
Revenue	7,026	6,726	23,141	17,562
Net assets	3,485	1,587	3,485	1,587
United States
Segment Reporting Information [Line Items]
Revenue	3,295	3,860	10,110	11,907
Net assets	28,486	2,829	28,486	2,829
Other
Segment Reporting Information [Line Items]
Revenue	2,612	2,289	5,548	6,580
Net assets	$ 5,688	$ 2,786	$ 5,688	$ 2,786