Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Operating expenses:
(Loss) gain on sale of Content Delivery business, net			$ 22,554
(Loss) income from discontinued operations	$ (245)	$ 527	22,851	$ 477
Content Delivery Business Segment [Member]
Revenue	0	7,445	16,018	19,801
Cost of sales	0	3,377	6,342	9,011
Gross margin	0	4,068	9,676	10,790
Operating expenses:
Sales and marketing	0	2,569	4,235	8,292
Research and development	0	2,033	3,290	6,137
General and administrative	0	620	951	1,983
Total operating expenses	0	5,222	8,476	16,412
Operating income (loss)	0	(1,154)	1,200	(5,622)
(Loss) gain on sale of Content Delivery business, net	(55)	0	22,554	0
Other income (expense), net	0	4	(143)	209
(Loss) income from discontinued operations before income taxes	(55)	(1,150)	23,611	(5,413)
Provision (benefit) for income taxes	190	50	760	(18)
(Loss) income from discontinued operations	$ (245)	$ (1,200)	$ 22,851	$ (5,395)