Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Income Statement [Abstract]
Revenue	$ 3,022	$ 5,255
Operating expenses:
Cost of revenue	1,042	1,421
Selling and marketing	908	933
General and administrative	1,438	3,033
Research and development	481	594
Total operating expenses	3,869	5,981
Loss from operations	(847)	(726)
Other income (expense):
Interest income	219	742
Other income (expense), net	(7)	28
Total other income, net	212	770
Income (loss) before income tax provision	(635)	44
Income tax benefit	237	153
Net income (loss)	$ (398)	$ 197
Net income (loss) per common share:
Basic	$ (0.04)	$ 0.02
Diluted	$ (0.04)	$ 0.02
Dividends per common share		$ 0.02
Weighted-average common shares outstanding:
Basic	10,669,513	10,530,066
Diluted	10,669,513	10,566,273