Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Statement [Abstract]
Revenue	$ 42,988	$ 53,403	$ 122,870	$ 148,709
Operating expenses:
Cost of revenue	28,681	31,803	87,457	95,863
Selling, general and administrative expenses	10,492	13,017	31,505	35,226
Depreciation of property and equipment	1,428	2,034	4,696	6,069
Amortization of intangible assets	895	1,204	2,700	3,812
Total operating expenses	41,496	48,058	126,358	140,970
Operating income (loss)	1,492	5,345	(3,488)	7,739
Foreign currency transaction (gains) losses on short-term intercompany balances	1,221	(636)	1,073	(54)
Interest Income (Expense), Net	44	(75)	33	89
Income (loss) before income taxes	315	5,906	(4,528)	7,882
Income tax expense	554	1,029	853	1,671
Net income (loss)	$ (239)	$ 4,877	$ (5,381)	$ 6,211
Basic earnings (loss) per common share (usd per share)	$ (0.01)	$ 0.17	$ (0.18)	$ 0.21
Diluted earnings (loss) per common share (usd per share)	$ (0.01)	$ 0.16	$ (0.18)	$ 0.21
Weighted-average common shares outstanding:
Basic (shares)	27,744	29,396	29,203	29,075
Diluted (shares)	27,744	29,815	29,203	29,517