Unaudited Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net (loss) income	$ (889)	$ 175
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Depreciation and amortization	378	460
Fair value adjustment of contingent earnout consideration		7
Deferred income taxes	8
Stock-based compensation expense	492	348
Changes in operating accounts:
Accounts receivable	(34)	649
Prepaid expenses and other current assets	(229)	(654)
Accounts payable	70	(1,324)
Accrued expenses and other liabilities	(1,709)	(577)
Deferred revenue	(287)	(229)
Net cash used in operating activities	(2,200)	(1,145)
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of intellectual property	(150)
Capitalization of product development costs	(90)	(115)
Purchases of property and equipment	(157)	(118)
Net cash used in investing activities	(397)	(233)
CASH FLOW FROM FINANCING ACTIVITIES:
Payments on capital leases		(39)
Purchase of treasury stock	(661)	(260)
Proceeds from employee stock purchase plans and stock option exercises	143	125
Net cash used in financing activities	(518)	(174)
Effects of exchange rates on cash	(9)	10
Net decrease in cash and cash equivalents	(3,124)	(1,542)
CASH AND CASH EQUIVALENTS, beginning of period	16,651	10,333
CASH AND CASH EQUIVALENTS, end of period	13,527	8,791
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Cash paid for income taxes	20	166
Issuance of restricted stock awards	872
Accrued consideration related to acquisition of intellectual property	$ 50