Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Statement of Comprehensive Income [Abstract]
Net loss	$ (3,401)	$ 492	$ (9,181)	$ (2,396)
Other comprehensive income:
Unrealized gain on available-for-sale debt securities	(9)		15
Comprehensive (loss) income	$ (3,410)	$ 492	$ (9,166)	$ (2,396)