Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenue:
Service	$ 3,072	$ 3,155	$ 9,808	$ 8,859
Subscription	1,561	1,452	4,947	4,360
License	753	2,320	2,418	6,576
Total revenue	5,386	6,927	17,173	19,795
Cost of revenue:
Service	1,204	1,224	4,279	3,807
Subscription	808	812	2,428	2,160
License	86	84	256	250
Total cost of revenue	2,098	2,120	6,963	6,217
Gross profit	3,288	4,807	10,210	13,578
Operating expenses:
Sales and marketing	2,309	1,999	6,497	5,930
Research, development and engineering	3,236	3,499	9,345	10,449
General and administrative	1,847	2,183	6,033	6,929
Intellectual property	367	366	1,025	1,287
Total operating expenses	7,759	8,047	22,900	24,595
Operating loss	(4,471)	(3,240)	(12,690)	(11,017)
Other income, net	29	3	84	50
Loss before income taxes	(4,442)	(3,237)	(12,606)	(10,967)
(Provision) benefit for income taxes	(27)	1,252	(25)	4,316
Net loss	$ (4,469)	$ (1,985)	$ (12,631)	$ (6,651)
Earnings (loss) per common share:
Loss per common share-basic	$ (0.54)	$ (0.28)	$ (1.56)	$ (0.95)
Loss per common share-diluted	$ (0.54)	$ (0.28)	$ (1.56)	$ (0.95)
Weighted average common shares outstanding-basic	8,309	7,176	8,101	7,097
Weighted average common shares outstanding-diluted	8,309	7,176	8,101	7,097
Cash dividends declared per common share				$ 0.22