Condensed Consolidated Statements of Operations - USD ($) shares in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Revenue:
Product	$ 25,307,000	$ 37,804,000	$ 49,271,000	$ 67,227,000
Services	13,773,000	14,197,000	26,467,000	27,001,000
Total revenue	39,080,000	52,001,000	75,738,000	94,228,000
Cost of revenue:
Product	15,053,000	22,598,000	29,727,000	40,359,000
Services	7,258,000	6,129,000	13,431,000	11,844,000
Total cost of revenue	22,311,000	28,727,000	43,158,000	52,203,000
Gross profit	16,769,000	23,274,000	32,580,000	42,025,000
Operating expenses:
Research and development	21,903,000	16,301,000	42,985,000	34,319,000
Sales and marketing	5,136,000	5,277,000	10,200,000	10,545,000
General and administrative	5,514,000	6,872,000	10,725,000	12,363,000
Legal settlement and contingencies	60,000	6,424,000	310,000	6,424,000
Total operating expenses	32,613,000	34,874,000	64,220,000	63,651,000
Loss from operations	(15,844,000)	(11,600,000)	(31,640,000)	(21,626,000)
Other income (expense), net	218,000	714,000	171,000	1,010,000
Loss before provision for income taxes	(15,626,000)	(10,886,000)	(31,469,000)	(20,616,000)
Provision for income taxes	26,000	537,000	281,000	142,000
Net loss	$ (15,652,000)	$ (11,423,000)	$ (31,750,000)	$ (20,758,000)
Net loss per share:
Basic and diluted (in dollars per share)	$ (0.35)	$ (0.26)	$ (0.71)	$ (0.48)
Weighted average shares used in computing net loss per share:
Weighted average common shares, basic and diluted (shares)	44,476	43,208	44,495	42,932
Stock compensation expense included above:
Stock-based compensation expense	$ 2,888,000	$ 1,988,000	$ 5,368,000	$ 4,529,000
Cost of revenue
Stock compensation expense included above:
Stock-based compensation expense	38,000	35,000	73,000	64,000
Research and development
Stock compensation expense included above:
Stock-based compensation expense	1,649,000	897,000	3,044,000	2,387,000
Sales and marketing
Stock compensation expense included above:
Stock-based compensation expense	481,000	536,000	919,000	1,030,000
General and administrative
Stock compensation expense included above:
Stock-based compensation expense	$ 720,000	$ 520,000	$ 1,332,000	$ 1,048,000