Consolidated Statements of Comprehensive Loss Statement - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (27,236)	$ (255)	$ 1,712
Other comprehensive income:
Unrealized gain on available-for-sale securities	191	78	35
Adjustment for net gain realized and included in interest income and other, net	0	0	(34)
Total change in unrealized gain on available for sale securities	191	78	1
Comprehensive (loss) income	$ (27,045)	$ (177)	$ 1,713