Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 1,447	$ 344	$ (23,572)
Adjustments to reconcile net income (loss) to net cash provided by operating activities, net of acquisitions:
Depreciation and amortization	1,957	2,885	4,023
Provision for doubtful accounts	(50)	(295)	113
Deferred income taxes	(28)	58	21,108
Share-based compensation	1,419	1,201	1,034
Amortization of marketable securities discounts (premiums), net			(115)
Excess tax benefits from stock options			(1)
Loss on sale of marketable securities			4
Loss on disposal of fixed assets	0	11	0
Change in fair value of contingent earnout consideration	(231)	144	400
Lease abandonment		2,230
Changes in operating accounts:
Accounts receivable	5,046	(3,558)	(1,398)
Prepaid expenses and other current assets	(660)	274	608
Other assets	(11)	(63)	(74)
Accounts payable and accrued liabilities	(2,755)	1,925	(2,335)
Accrued payroll and related liabilities	1,302	1,047	1,234
Deferred revenue	1,400	(370)	(331)
Net cash provided by operating activities	8,836	5,833	698
CASH FLOWS FROM INVESTING ACTIVITIES:
Decrease in restricted cash			702
Redemptions of marketable securities			6,877
Purchase of Fullscope Inc., net of cash acquired		(2,713)	(1,415)
Purchase of Meridian Consulting International, net of cash acquired			(1,586)
Capitalization of product development costs	(235)	(267)	(112)
Purchases of property and equipment	(357)	(518)	(368)
Net cash (used in) provided by investing activities	(592)	(3,498)	4,098
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments on capital leases	(52)	(148)	(220)
Proceeds from employee stock purchase plans and stock option exercises	763	483	441
Excess tax benefits from stock options			1
Repurchases of common stock	(2,643)	(3,229)
Net cash (used in) provided by financing activities	(1,932)	(2,894)	222
Effects of exchange rates on cash	6	(11)	(4)
Net increase (decrease) in cash and cash equivalents	6,318	(570)	5,014
CASH AND CASH EQUIVALENTS, beginning of period	10,333	10,903	5,889
CASH AND CASH EQUIVALENTS, end of period	16,651	10,333	10,903
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Interest paid		10	23
Cash paid for income taxes	549	450	1,933
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Initial fair value estimate of contingent earnout consideration			1,200
Issuance (forfeiture) of restricted stock awards		$ (120)	$ 232