Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Condensed Consolidated Statements of Operations [Abstract]
Revenues	$ 50,704	$ 45,507	$ 101,422	$ 86,836
Cost of revenues	34,523	30,936	69,117	60,769
Gross margin	16,181	14,571	32,305	26,067
Selling, general and administrative expenses	12,297	10,344	24,727	20,343
Depreciation and amortization	2,343	2,202	4,645	4,312
Operating income	1,541	2,025	2,933	1,412
Foreign currency transaction (gains) losses on intercompany balances	(431)	1,091	(879)	1,712
Interest expense, net	478	271	825	655
Loss on debt extinguishment				1,381
Earnings (loss) before income taxes	1,494	663	2,987	(2,336)
Income tax expense	784	628	1,905	1,064
Net earnings (loss)	$ 710	$ 35	$ 1,082	$ (3,400)
Basic earnings (loss) per common share (Note B)	$ 0.03	$ 0	$ 0.04	$ (0.14)
Diluted earnings (loss) per common share (Note B)	$ 0.03	$ 0	$ 0.04	$ (0.14)
Weighted-average common shares outstanding (Note B):
Basic	24,522	23,624	24,391	23,575
Diluted	24,949	23,806	24,742	23,575