Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Statement of Comprehensive Income [Abstract]
Net loss	$ (413)	$ 1,043	$ (2,390)	$ (815)
Other comprehensive income:
Unrealized gain on available for sale securities	16	16	28	37
Adjustment for net gain realized and included in other income, net	(8)	0	(16)	0
Total change in unrealized gain on available for sale securities	8	16	12	37
Comprehensive income (loss)	$ (405)	$ 1,059	$ (2,378)	$ (778)