Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 2,297	$ 1,102
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,183	1,437
Share-based compensation expense	1,174	1,005
Deferred income taxes	25
Fair value adjustment of contingent earnout consideration		(231)
Changes in operating accounts:
Accounts receivable	(749)	636
Prepaid expenses and other current assets	262	(699)
Accounts payable	5	(2,458)
Accrued liabilities and other liabilities	(371)	1,812
Deferred revenue	(1,507)	2,310
Net cash provided by operating activities	2,319	4,914
CASH FLOWS FROM INVESTING ACTIVITIES:
Capitalization of product development costs	(289)	(206)
Purchases of property and equipment	(280)	(322)
Acquisition of intellectual property	(200)
Net cash used in investing activities	(769)	(528)
CASH FLOW FROM FINANCING ACTIVITIES:
Purchases of treasury stock	(1,513)	(2,164)
Proceeds from employee stock plans and stock option exercises	793	470
Payments on capital leases		(52)
Net cash used in financing activities	(720)	(1,746)
Effects of exchange rates on cash	6	1
Net increase in cash and cash equivalents	836	2,641
CASH AND CASH EQUIVALENTS, beginning of period	16,651	10,333
CASH AND CASH EQUIVALENTS, end of period	17,487	12,974
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Cash paid for income taxes	184	534
Issuance of restricted stock awards	$ 1,051