Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Statement of Comprehensive Income [Abstract]
Net loss	$ (1,749)	$ (22,716)	$ (2,564)	$ (51,140)
Other comprehensive income (loss):
Unrealized gain (loss) on available for sale securities	20	37	57	(5)
Comprehensive loss	$ (1,729)	$ (22,679)	$ (2,507)	$ (51,145)