SEGMENT AND GEOGRAPHIC DATA Geographic Data Reporting (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Segment Reporting Information [Line Items]
Revenue	$ 108,136	$ 110,028	$ 322,430	$ 357,088
Long-lived assets, net of accumulated depreciation and amortization	9,248	9,792	9,248	9,792
Net assets	44,702	64,065	44,702	64,065	$ 61,180
United Kingdon
Segment Reporting Information [Line Items]
Revenue	27,010	40,102	93,671	118,083
Long-lived assets, net of accumulated depreciation and amortization	1,235	1,866	1,235	1,866
Net assets	11,962	15,421	11,962	15,421
Australia
Segment Reporting Information [Line Items]
Revenue	49,799	40,075	136,813	120,457
Long-lived assets, net of accumulated depreciation and amortization	4,457	4,123	4,457	4,123
Net assets	8,601	9,012	8,601	9,012
United States
Segment Reporting Information [Line Items]
Revenue	3,921	3,575	11,016	24,424
Long-lived assets, net of accumulated depreciation and amortization	445	821	445	821
Net assets	2,954	17,003	2,954	17,003
Europe
Segment Reporting Information [Line Items]
Revenue	12,356	10,582	39,382	47,986
Long-lived assets, net of accumulated depreciation and amortization	196	95	196	95
Net assets	8,777	9,067	8,777	9,067
Asia Pacific
Segment Reporting Information [Line Items]
Revenue	14,808	15,534	40,904	45,666
Long-lived assets, net of accumulated depreciation and amortization	2,907	2,887	2,907	2,887
Net assets	12,464	13,554	12,464	13,554
Other Americas
Segment Reporting Information [Line Items]
Revenue	242	160	644	472
Long-lived assets, net of accumulated depreciation and amortization	8	0	8	0
Net assets	$ (56)	$ 8	$ (56)	$ 8