Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Net revenue:
Products	$ 24,475,000	$ 17,956,000
Service	4,824,000	4,467,000
Total net revenue	29,299,000	22,423,000
Cost of revenue:
Products	11,144,000	7,648,000
Service	2,634,000	2,301,000
Total cost of revenue	13,778,000	9,949,000
Gross profit	15,521,000	12,474,000
Operating expenses:
Sales and marketing	10,773,000	8,716,000
Research and development	2,945,000	2,709,000
General and administrative	3,216,000	3,220,000
Total operating expenses	16,934,000	14,645,000
Loss from operations	(1,413,000)	(2,171,000)
Interest and other income, net	273,000	144,000
Loss before income taxes	(1,140,000)	(2,027,000)
Provision (benefit) for income taxes	(118,000)	24,000
Net loss	$ (1,022,000)	$ (2,051,000)
Net loss per share:
Basic and Diluted (in dollars per share)	$ (0.07)	$ (0.16)
Weighted-average number of shares used in per share calculations:
Basic and Diluted (in shares)	13,840	13,010