SEGMENT AND GEOGRAPHIC DATA Segment Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2019 USD ($) segments	Dec. 31, 2019 USD ($) Segment	Dec. 31, 2018 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments		3	3
Revenue, from external customers	$ 93,811			$ 66,932
Inter-segment revenue	0			0
Total revenue	93,811			66,932
Revenue less certain direct costs, from external customers (a)	43,566			42,104
Inter-segment revenue less certain direct costs	0			0
Total revenue less certain direct costs	43,566			42,104
EBITDA (loss) (b)	(1,914)			(5,449)
Depreciation and amortization	(85)			(16)
Interest income, net	617			298
Intercompany interest (expense) income, net	0			0
Loss from continuing operations before provision for income taxes	(1,382)			(5,167)
(Benefit from) provision for income taxes from continuing operations	(540)			99
Accounts receivable, net	12,795	$ 12,795	$ 12,795	9,893
Total assets	46,704	46,704	46,704	53,179
Americas
Segment Reporting Information [Line Items]
Revenue, from external customers	13,565			13,924
Inter-segment revenue	74			20
Total revenue	13,639			13,944
Revenue less certain direct costs, from external customers (a)	12,291			11,726
Inter-segment revenue less certain direct costs	72			20
Total revenue less certain direct costs	12,363			11,746
EBITDA (loss) (b)	60			440
Depreciation and amortization	(18)			(4)
Interest income, net	0			0
Intercompany interest (expense) income, net	0			0
Loss from continuing operations before provision for income taxes	42			436
(Benefit from) provision for income taxes from continuing operations	(277)			(12)
Accounts receivable, net	2,101	2,101	2,101	2,548
Asia Pacific
Segment Reporting Information [Line Items]
Revenue, from external customers	61,438			36,946
Inter-segment revenue	0			0
Total revenue	61,438			36,946
Revenue less certain direct costs, from external customers (a)	21,177			21,936
Inter-segment revenue less certain direct costs	(69)			(20)
Total revenue less certain direct costs	21,108			21,916
EBITDA (loss) (b)	2,194			2,221
Depreciation and amortization	(39)			(3)
Interest income, net	(4)			0
Intercompany interest (expense) income, net	(390)			(317)
Loss from continuing operations before provision for income taxes	1,761			1,901
(Benefit from) provision for income taxes from continuing operations	378			289
Accounts receivable, net	6,931	6,931	6,931	4,644
Europe
Segment Reporting Information [Line Items]
Revenue, from external customers	18,808			16,062
Inter-segment revenue	2			0
Total revenue	18,810			16,062
Revenue less certain direct costs, from external customers (a)	10,098			8,442
Inter-segment revenue less certain direct costs	3			0
Total revenue less certain direct costs	10,101			8,442
EBITDA (loss) (b)	84			(450)
Depreciation and amortization	(23)			(9)
Interest income, net	0			0
Intercompany interest (expense) income, net	0			0
Loss from continuing operations before provision for income taxes	61			(459)
(Benefit from) provision for income taxes from continuing operations	24			22
Accounts receivable, net	3,729	3,729	3,729	2,701
Corporate
Segment Reporting Information [Line Items]
Revenue, from external customers	0			0
Inter-segment revenue	0			0
Total revenue	0			0
Revenue less certain direct costs, from external customers (a)	0			0
Inter-segment revenue less certain direct costs	0			0
Total revenue less certain direct costs	0			0
EBITDA (loss) (b)	(4,252)			(7,660)
Depreciation and amortization	(5)			0
Interest income, net	621			298
Intercompany interest (expense) income, net	390			317
Loss from continuing operations before provision for income taxes	(3,246)			(7,045)
(Benefit from) provision for income taxes from continuing operations	(665)			(200)
Accounts receivable, net	34	34	34	0
Inter-segment elimination
Segment Reporting Information [Line Items]
Revenue, from external customers	0			0
Inter-segment revenue	(76)			(20)
Total revenue	(76)			(20)
Revenue less certain direct costs, from external customers (a)	0			0
Inter-segment revenue less certain direct costs	(6)			0
Total revenue less certain direct costs	(6)			0
EBITDA (loss) (b)	0			0
Depreciation and amortization	0			0
Interest income, net	0			0
Intercompany interest (expense) income, net	0			0
Loss from continuing operations before provision for income taxes	0			0
(Benefit from) provision for income taxes from continuing operations	0			0
Accounts receivable, net	0	0	0	0
Continuing Operations
Segment Reporting Information [Line Items]
Total assets	46,704	46,704	46,704	52,238
Continuing Operations | Americas
Segment Reporting Information [Line Items]
Total assets	4,245	4,245	4,245	4,691
Continuing Operations | Asia Pacific
Segment Reporting Information [Line Items]
Total assets	12,461	12,461	12,461	10,118
Continuing Operations | Europe
Segment Reporting Information [Line Items]
Total assets	7,336	7,336	7,336	7,773
Continuing Operations | Corporate
Segment Reporting Information [Line Items]
Total assets	22,662	22,662	22,662	29,656
Continuing Operations | Inter-segment elimination
Segment Reporting Information [Line Items]
Total assets	$ 0	$ 0	$ 0	$ 0