Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Income Statement [Abstract]
Revenue, net	$ 41,974	$ 42,102	$ 80,778	$ 78,823
Operating expenses:
Cost of revenue	26,312	27,389	51,547	52,186
Selling, general and administrative expenses	15,748	12,809	29,665	24,073
Depreciation of property, equipment and software assets	2,381	2,360	4,584	3,583
Amortization of intangible assets	872	864	1,734	1,652
Total operating expenses	45,313	43,422	87,530	81,494
Operating loss from continuing operations	(3,339)	(1,320)	(6,752)	(2,671)
Foreign currency transaction (gains) losses on short-term intercompany balances	(77)	880	129	660
Interest expense, net	592	486	1,065	884
Other loss (income)	11	5	(8)	17
Loss from continuing operations before income tax	(3,865)	(2,691)	(7,938)	(4,232)
Income tax expense	311	189	479	976
Net loss from continuing operations	(4,176)	(2,880)	(8,417)	(5,208)
Discontinued operations:
Loss from discontinued operations	(103)	(26)	(258)	(359)
Income tax expense	0	0	0	0
Net loss from discontinued operations	(103)	(26)	(258)	(359)
Net loss	$ (4,279)	$ (2,906)	$ (8,675)	$ (5,567)
Basic loss per common share (Note 2):
Basic income (loss) from continuing operations (in usd per share)	$ (0.18)	$ (0.13)	$ (0.37)	$ (0.23)
Basic income (loss) from discontinued operations (in usd per share)	0.00	0.00	(0.01)	(0.01)
Total basic income (loss) per common share (in usd per share)	(0.18)	(0.13)	(0.38)	(0.24)
Diluted loss per common share (Note 2):
Diluted income (loss) from continuing operations (in usd per share)	(0.18)	(0.13)	(0.37)	(0.23)
Diluted loss from discontinued operations (in usd per share)	0.00	0.00	(0.01)	(0.01)
Total diluted income (loss) per common share (in usd per share)	$ (0.18)	$ (0.13)	$ (0.38)	$ (0.24)
Weighted-average common shares outstanding (Note 2):
Basic (shares)	22,763	23,283	22,687	22,930
Diluted (shares)	22,763	23,283	22,687	22,930