Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Operating activities
Net loss	$ (89,118,000)	$ (47,262,000)	$ (35,321,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	3,609,000	2,647,000	3,362,000
Deferred rent reversal due to lease termination	(538,000)	0	0
Tenant improvement allowance recognition due to lease termination	(582,000)	0	0
Accretion of net premium on short-term investments	192,000	403,000	645,000
Stock-based compensation expense	9,876,000	10,162,000	11,366,000
Goodwill impairment	2,666,000	0	0
Bad debt expense	(24,000)	189,000	95,000
Loss (gain) on disposal of property and equipment	15,000	(14,000)	398,000
Write-off of long-term investments	0	0	977,000
Changes in operating assets and liabilities:
Accounts receivable	11,708,000	(15,807,000)	(5,817,000)
Deferred income taxes	52,000	(239,000)	109,000
Restricted cash	419,000	1,709,000	(231,000)
Income taxes receivable	34,000	654,000	5,393,000
Deferred costs	(87,065,000)	(42,016,000)	(8,935,000)
Prepaid expenses and other current assets	42,000	459,000	(592,000)
Other assets	(1,300,000)	483,000	972,000
Trade accounts payable	6,836,000	1,195,000	4,118,000
Accrued expenses and other liabilities	(12,725,000)	13,778,000	4,730,000
Income taxes payable	23,000	109,000	(636,000)
Deferred rent	1,178,000	66,000	(272,000)
Deferred revenue	147,706,000	64,032,000	16,541,000
Net cash used in operating activities	(6,996,000)	(9,452,000)	(3,098,000)
Investing activities
Purchases of property and equipment	(4,648,000)	(1,225,000)	(4,004,000)
Purchases of short-term investments	(49,287,000)	(64,957,000)	(55,021,000)
Proceeds from sales and maturities of short-term investments	58,404,000	74,878,000	67,578,000
Proceeds from sales of long-term investments	0	246,000	0
Net cash provided by investing activities	4,469,000	8,942,000	8,553,000
Financing activities
Proceeds from exercise of stock options	681,000	2,738,000	1,549,000
Repurchase of common stock	0	0	(570,000)
Tax withholdings related to net share settlements of restricted stock units	(2,327,000)	(3,008,000)	(3,295,000)
Net cash used in financing activities	(1,646,000)	(270,000)	(2,316,000)
Effect of exchange rate changes on cash and cash equivalents	533,000	188,000	(511,000)
Net increase (decrease) in cash and cash equivalents	(3,640,000)	(592,000)	2,628,000
Cash and cash equivalents, at beginning of period	20,757,000	21,349,000	18,721,000
Cash and cash equivalents, at end of period	17,117,000	20,757,000	21,349,000
Supplemental disclosure of cash flow information
Income taxes paid (received), net	$ 1,053,000	$ 1,872,000	$ (4,610,000)