Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Statement [Abstract]
Revenue, net	$ 138,302	$ 161,552	$ 178,268
Operating expenses:
Cost of revenue	93,169	110,890	112,853
Selling, general and administrative expenses	32,284	38,581	46,143
Depreciation of property and equipment	5,317	6,025	6,783
Amortization of intangible assets	2,458	3,531	4,997
Impairment charges	0	0	2,773
Total operating expenses	133,228	159,027	173,549
Operating income from continuing operations	5,074	2,525	4,719
Foreign currency transaction (gains) losses on short-term intercompany balances	2,165	2,003	(13)
Interest expense	(71)	(351)	(138)
Interest income	261	428	215
Other loss	1,191	57	0
Income from continuing operations before income taxes	1,908	542	4,809
Income tax expense	369	3,241	2,755
Net income (loss) from continuing operations	1,539	(2,699)	2,054
Discontinued operations:
Loss from discontinued operations	(4,765)	(4,827)	(2,240)
Income tax expense (benefit)	0	0	0
Net loss from discontinued operations	(4,765)	(4,827)	(2,240)
Net income (loss) from continuing operations	$ (3,226)	$ (7,526)	$ (186)
Basic earnings (loss) per common share:
Basic earnings (loss) from continuing operations (in USD per share)	$ 0.06	$ (0.09)	$ 0.07
Basic loss from discontinued operations (in USD per share)	(0.18)	(0.17)	(0.08)
Total basic earnings (loss) per common share (in USD per share)	(0.12)	(0.26)	(0.01)
Diluted earnings (loss) per common share:
Diluted earnings (loss) from continuing operations (in USD per share)	0.06	(0.09)	0.07
Diluted loss from discontinued operations (in USD per share)	(0.18)	(0.17)	(0.08)
Total diluted loss per common share (in USD per share)	$ (0.12)	$ (0.26)	$ (0.01)
Weighted-average common shares outstanding:
Basic (shares)	25,868	28,707	29,169
Diluted (shares)	25,904	28,707	29,628