Condensed Consolidated Statements of Income and Comprehensive Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Statements of Income
Revenues	$ 51,658	$ 50,704	$ 103,307	$ 101,422
Operating expenses:
Cost of revenues	33,312	34,523	67,530	69,117
Selling, general and administrative expenses	12,696	12,297	25,333	24,727
Depreciation of property and equipment	1,579	1,214	3,092	2,395
Amortization of intangible assets	1,459	1,129	3,786	2,250
Total operating expenses	49,046	49,163	99,741	98,489
Operating income	2,612	1,541	3,566	2,933
Foreign currency transaction (gains) losses on short-term intercompany balances	497	(431)	158	(879)
Interest expense, net	529	478	1,033	825
Earnings before income taxes	1,586	1,494	2,375	2,987
Income tax expense	584	784	1,081	1,905
Net earnings	1,002	710	1,294	1,082
Basic earnings per common share (Note B)	$ 0.04	$ 0.03	$ 0.05	$ 0.04
Diluted earnings per common share (Note B)	$ 0.04	$ 0.03	$ 0.05	$ 0.04
Weighted-average common shares outstanding (Note B):
Basic	25,257	24,522	25,283	24,391
Diluted	25,809	24,949	25,787	24,742
Statements of Comprehensive Income
Net earnings	1,002	710	1,294	1,082
Foreign currency translation adjustments	(122)	(257)	294	21
Comprehensive income	$ 880	$ 453	$ 1,588	$ 1,103