Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenue:
Service revenue	$ 21,599	$ 21,587	$ 41,295	$ 43,383
Software revenue	4,331	3,622	6,308	5,006
Reimbursable expenses	1,970	1,978	3,773	4,079
Total revenue	27,900	27,187	51,376	52,468
Cost of revenue:
Project and personnel costs	13,456	13,052	26,766	26,706
Software costs	2,433	2,697	3,656	3,658
Reimbursable expenses	1,970	1,978	3,773	4,079
Total cost of revenue	17,859	17,727	34,195	34,443
Gross profit	10,041	9,460	17,181	18,025
Operating expenses:
Selling, general and administrative	8,110	8,551	15,641	16,502
Depreciation and amortization	308	448	623	890
Total operating expenses	8,418	8,999	16,264	17,392
Operating income	1,623	461	917	633
Other expense, net	69	196	173	105
Income before income taxes	1,554	265	744	528
Tax provision	140	131	219	219
Net income	1,414	134	525	309
Comprehensive income:
Currency translation adjustments	(23)	(3)	(22)	(12)
Total comprehensive income	$ 1,391	$ 131	$ 503	$ 297
Net income per share:
Basic net income per share of common stock	$ 0.13	$ 0.01	$ 0.05	$ 0.03
Diluted net income per share of common stock	$ 0.12	$ 0.01	$ 0.05	$ 0.03
Shares used in computing basic net income per share of common stock	10,791	11,288	10,834	11,319
Shares used in computing diluted net income per share of common stock	11,428	11,836	11,447	11,682