Condensed Consolidated Statements of Income (Loss) (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Condensed Consolidated Statements of Income (Loss) [Abstract]
Revenue	$ 45,101	$ 51,649
Operating expenses:
Cost of revenue	30,407	34,218
Selling, general and administrative expenses	11,711	12,637
Depreciation of property and equipment	2,008	1,513
Amortization of intangible assets	1,276	2,327
Total operating expenses	45,402	50,695
Operating income (loss)	(301)	954
Foreign currency transaction (gains) losses on short-term intercompany balances	357	(339)
Interest expense (income), net	(217)	504
Earnings (loss) before income taxes	(441)	789
Income tax expense	56	497
Net earnings (loss)	$ (497)	$ 292
Basic earnings (loss) per common share (Note B)	$ (0.02)	$ 0.01
Diluted earnings (loss) per common share (Note B)	$ (0.02)	$ 0.01
Weighted-average common shares outstanding (Note B):
Basic	28,770	25,309
Diluted	28,770	25,765