Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Revenue:
Service revenue	$ 83,137	$ 79,239	$ 68,843
Software revenue	10,190	13,064	11,508
Royalty revenue		2,734	2,341
Reimbursable expenses	7,554	7,406	5,853
Total revenue	100,881	102,443	88,545
Cost of revenue:
Project and personnel costs	51,594	48,078	42,640
Software costs	6,454	8,262	7,977
Reimbursable expenses	7,554	7,406	5,853
Total cost of revenue	65,602	63,746	56,470
Gross profit	35,279	38,697	32,075
Operating expenses:
Selling, general and administrative	31,563	32,307	30,263
Lease abandonment expense		2,230
Depreciation and amortization	1,801	2,846	4,023
Total operating expenses	33,364	37,383	34,286
Operating income (loss)	1,915	1,314	(2,211)
Other expense (income), net	67	127	(34)
Income (loss) before income taxes	1,848	1,187	(2,177)
Tax provision	401	843	21,395
Net income (loss)	1,447	344	(23,572)
Comprehensive income (loss):
Currency translation adjustment	(24)	(51)	(54)
Total comprehensive income (loss)	$ 1,423	$ 293	$ (23,626)
Income (loss) per share:
Basic net income (loss) per share of common stock	$ 0.13	$ 0.03	$ (1.93)
Diluted net income (loss) per share of common stock	$ 0.13	$ 0.03	$ (1.93)
Shares used in computing basic net income (loss) per share of common stock	11,180	12,038	12,195
Shares used in computing diluted net income (loss) per share of common stock	11,589	12,048	12,195