Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Revenue	$ 75,767	$ 63,398	$ 57,692
Operating expenses:
Direct expenses	28,667	24,635	24,148
Selling, general and administrative	23,300	20,202	16,016
Depreciation and amortization	5,065	4,704	3,831
Total operating expenses	57,032	49,541	43,995
Operating income	18,735	13,857	13,697
Other income (expense):
Interest income	13	6	2
Interest expense	(629)	(491)	(405)
Other, net	41	(57)	(177)
Total other expense	(575)	(542)	(580)
Income before income taxes	18,160	13,315	13,117
Provision for income taxes	6,596	4,816	4,626
Net income	$ 11,564	$ 8,499	$ 8,491
Net income per share - basic (in Dollars per share)	$ 1.73	$ 1.28	$ 1.28
Net income per share - diluted (in Dollars per share)	$ 1.69	$ 1.26	$ 1.26
Weighted average shares and shares equivalent outstanding - basic (in Shares)	6,672	6,637	6,637
Weighted average shares and shares equivalent outstanding - diluted (in Shares)	6,842	6,736	6,723