Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Statement Of Income And Comprehensive Income [Abstract]
Net loss:	$ (46,792)	$ (1,744)	$ (36,363)
Available for sale securities:
Change in unrealized gains on available for sale securities	497
Net change in foreign currency translation adjustments	102	572	(1,583)
Other comprehensive income (loss), net of tax:	599	572	(1,583)
Total comprehensive loss	$ (46,193)	$ (1,172)	$ (37,946)

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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