Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Income Statement [Abstract]
Revenue	$ 35,137	$ 33,365	$ 101,661	$ 103,345
Operating expenses:
Cost of revenue	22,367	23,507	67,444	70,785
Selling, general and administrative expenses	9,883	8,284	28,351	25,413
Depreciation of property and equipment	1,376	1,255	3,824	3,828
Amortization of intangible assets	393	517	1,182	2,017
Total operating expenses	34,019	33,563	100,801	102,043
Operating income (loss)	1,118	(198)	860	1,302
Foreign currency transaction (gains) losses on short-term intercompany balances	(165)	654	(976)	1,930
Interest (income), net	(14)	(8)	(55)	(103)
Other (income) loss	(168)	1,612	(140)	1,612
Income (loss) from continuing operations before income tax	1,465	(2,456)	2,031	(2,137)
Income tax expense (benefit)	(685)	421	(21)	1,172
Net income (loss) from continuing operations	2,150	(2,877)	2,052	(3,309)
Net income (loss)	2,283	(3,409)	1,138	(5,270)
Discontinued Operations:
Income (loss) from discontinued operations	133	(532)	(914)	(1,961)
Other (income) loss	0	0	0	0
Income tax expense (benefit)	0	0	0	0
Net income (loss) from discontinued operations	$ 133	$ (532)	$ (914)	$ (1,961)
Basic earnings (loss) per common share
Basic earnings (loss) per common share from continuing operations (usd per share)	$ 0.10	$ (0.11)	$ 0.09	$ (0.13)
Basic earnings (loss) per common share from discontinued operations (usd per share)	0.01	(0.03)	(0.04)	(0.07)
Total basic earnings (loss) per common share (usd per share)	0.11	(0.14)	0.05	(0.20)
Diluted earnings (loss) per common share
Diluted earnings (loss) from continuing operations (usd per share)	0.10	(0.11)	0.09	(0.13)
Diluted earnings (loss) from discontinued operations (usd per share)	0.01	(0.03)	(0.04)	(0.07)
Total diluted earnings (loss) per common share (usd per share)	$ 0.11	$ (0.14)	$ 0.05	$ (0.20)
Weighted-average common shares outstanding (Note B):
Basic (in shares)	21,847	25,167	22,084	26,015
Diluted (in shares)	21,874	25,167	22,114	26,015