SEGMENT AND GEOGRAPHIC DATA Segment Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($) Segment	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)
Segment Reporting Information [Line Items]
Number of Reportable Segments | Segment	3
Revenue from external customers	$ 24,131	$ 16,187
Segment Reporting Information, Revenue Intersegment	0	0
Revenue	24,131	16,187
Revenue Less Certain Direct Costs, From External Customers	9,798	9,396
Inter-segment Revenue Less Certain Direct Costs	0	0
Revenue Less Certain Direct Costs	9,798	9,396
EBITDA (loss)	(459)	(2,001)
Depreciation and amortization	(24)	(18)
Segment Reporting Information, Intersegment Interest Income (Expense), Net	0	0
Interest income, net	79	313
Loss from continuing operations before provision for income taxes	(404)	(1,706)
Accounts receivable, net	12,778	12,587	$ 12,795
Total assets	41,312	45,853	$ 46,704
Operating Segments | Americas
Segment Reporting Information [Line Items]
Revenue from external customers	3,188	3,140
Segment Reporting Information, Revenue Intersegment	0	35
Revenue	3,188	3,175
Revenue Less Certain Direct Costs, From External Customers	2,860	2,762
Inter-segment Revenue Less Certain Direct Costs	0	35
Revenue Less Certain Direct Costs	2,860	2,797
EBITDA (loss)	(60)	(414)
Depreciation and amortization	(5)	(5)
Segment Reporting Information, Intersegment Interest Income (Expense), Net	0	0
Interest income, net	0	0
Loss from continuing operations before provision for income taxes	(65)	(419)
Accounts receivable, net	2,857	3,169
Total assets	3,998	3,737
Operating Segments | Asia Pacific
Segment Reporting Information [Line Items]
Revenue from external customers	16,951	8,679
Segment Reporting Information, Revenue Intersegment	6	0
Revenue	16,957	8,679
Revenue Less Certain Direct Costs, From External Customers	4,511	4,590
Inter-segment Revenue Less Certain Direct Costs	6	(30)
Revenue Less Certain Direct Costs	4,517	4,560
EBITDA (loss)	337	(48)
Depreciation and amortization	(12)	(5)
Segment Reporting Information, Intersegment Interest Income (Expense), Net	(86)	(101)
Interest income, net	0	0
Loss from continuing operations before provision for income taxes	239	(154)
Accounts receivable, net	7,172	6,083
Total assets	11,568	10,246
Operating Segments | Europe
Segment Reporting Information [Line Items]
Revenue from external customers	3,992	4,368
Segment Reporting Information, Revenue Intersegment	0	1
Revenue	3,992	4,369
Revenue Less Certain Direct Costs, From External Customers	2,427	2,044
Inter-segment Revenue Less Certain Direct Costs	(6)
Revenue Less Certain Direct Costs	2,421	2,044
EBITDA (loss)	63	(348)
Depreciation and amortization	(6)	(7)
Segment Reporting Information, Intersegment Interest Income (Expense), Net	0	0
Interest income, net	0	0
Loss from continuing operations before provision for income taxes	57	(355)
Accounts receivable, net	2,715	3,298
Total assets	6,234	6,886
Corporate
Segment Reporting Information [Line Items]
Revenue from external customers	0	0
Segment Reporting Information, Revenue Intersegment	0	0
Revenue	0	0
Revenue Less Certain Direct Costs, From External Customers	0	0
Inter-segment Revenue Less Certain Direct Costs	0	0
Revenue Less Certain Direct Costs	0	0
EBITDA (loss)	(799)	(1,191)
Depreciation and amortization	(1)	(1)
Segment Reporting Information, Intersegment Interest Income (Expense), Net	86	101
Interest income, net	79	313
Loss from continuing operations before provision for income taxes	(635)	(778)
Accounts receivable, net	34	37
Total assets	19,512	24,984
Inter-Segment Elimination
Segment Reporting Information [Line Items]
Revenue from external customers	0	0
Segment Reporting Information, Revenue Intersegment	(6)	(36)
Revenue	(6)	(36)
Revenue Less Certain Direct Costs, From External Customers	0	0
Inter-segment Revenue Less Certain Direct Costs	0	(5)
Revenue Less Certain Direct Costs	0	(5)
EBITDA (loss)	0	0
Depreciation and amortization	0	0
Segment Reporting Information, Intersegment Interest Income (Expense), Net	0	0
Interest income, net	0	0
Loss from continuing operations before provision for income taxes	0	0
Accounts receivable, net	0	0
Total assets	$ 0	$ 0