Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Net revenue:
Products	$ 18,042,000	$ 13,171,000	$ 32,745,000	$ 24,923,000
Service	4,521,000	4,553,000	8,889,000	8,990,000
Total net revenue	22,563,000	17,724,000	41,634,000	33,913,000
Cost of revenue:
Products	7,621,000	5,917,000	14,930,000	10,994,000
Service	2,066,000	1,931,000	3,809,000	4,157,000
Total cost of revenue	9,687,000	7,848,000	18,739,000	15,151,000
Gross profit	12,876,000	9,876,000	22,895,000	18,762,000
Operating expenses:
Sales and marketing	9,066,000	7,754,000	17,253,000	15,085,000
Research and development	2,728,000	2,622,000	5,173,000	5,266,000
General and administrative	3,014,000	2,335,000	6,003,000	4,899,000
Total operating expenses	14,808,000	12,711,000	28,429,000	25,250,000
Loss from operations	(1,932,000)	(2,835,000)	(5,534,000)	(6,488,000)
Interest and other income, net	96,000	138,000	104,000	218,000
Loss before income taxes	(1,836,000)	(2,697,000)	(5,430,000)	(6,270,000)
Provision for income taxes	53,000	44,000	103,000	81,000
Net loss	$ (1,889,000)	$ (2,741,000)	$ (5,533,000)	$ (6,351,000)
Net loss per share:
Basic and Diluted (in dollars per share)	$ (0.13)	$ (0.19)	$ (0.37)	$ (0.45)
Weighted-average number of shares used in per share calculations:
Basic and Diluted (in shares)	14,441	14,231	14,758	14,127