CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND OTHER COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Statement [Abstract]
Revenue	$ 110,028	$ 149,278	$ 357,088	$ 444,515
Direct costs	64,883	93,591	213,817	274,927
Gross margin	45,145	55,687	143,271	169,588
Operating expenses:
Selling, general and administrative expenses	45,565	58,539	151,281	174,672
Depreciation and amortization	955	1,467	3,040	4,242
Business reorganization expenses and impairment of long-lived assets	2,264	794	5,667	2,026
Total operating expenses	48,784	60,800	159,988	180,940
Gain on sale and exit of businesses	(187)	0	19,818	0
Operating income (loss)	(3,826)	(5,113)	3,101	(11,352)
Non-operating income (expense):
Interest income (expense), net	(93)	(192)	(542)	(533)
Other income (expense), net	242	176	215	(325)
Income (loss) from continuing operations before provision for income taxes	(3,677)	(5,129)	2,774	(12,210)
Provision for (benefit from) income taxes from continuing operations	(1,648)	(558)	(1,317)	37
Income (loss) from continuing operations	(2,029)	(4,571)	4,091	(12,247)
Income (loss) from discontinued operations, net of income taxes	(55)	(2,448)	864	(3,690)
Net income (loss)	$ (2,084)	$ (7,019)	$ 4,955	$ (15,937)
Basic and diluted earnings (loss) per share:
Basic and diluted earnings (loss) per share from continuing operations	$ (0.06)	$ (0.14)	$ 0.12	$ (0.38)
Basic and diluted earnings (loss) per share from discontinued operations	0.00	(0.07)	0.03	(0.11)
Basic and diluted earnings (loss) per share	$ (0.06)	$ (0.21)	$ 0.15	$ (0.49)
Weighted-average shares outstanding:
Basic (in shares)	34,687	32,910	33,784	32,769
Diluted (in shares)	34,687	32,910	33,795	32,769
Comprehensive income (loss):
Net income (loss)	$ (2,084)	$ (7,019)	$ 4,955	$ (15,937)
Other comprehensive income (loss):
Foreign currency translation adjustment, net of income taxes	(1,876)	(3,386)	(3,447)	(1,356)
Pension liability adjustment	(5)	5	(24)	(20)
Total other comprehensive income (loss), net of income taxes	(1,881)	(3,381)	(3,471)	(1,376)
Comprehensive income (loss)	$ (3,965)	$ (10,400)	$ 1,484	$ (17,313)