Discontinued Operations (Details 4) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Operating expenses:
Income from discontinued operations	$ 22,728	$ 1,397	$ 23,096	$ (50)
Real time Business Segment [Member]
Revenue		8,310		16,307
Cost of sales		3,116		6,395
Gross margin		5,194		9,912
Operating expenses:
Sales and marketing		1,620		3,067
Research and development		962		2,019
General and administrative		209		385
Total operating expenses		2,791		5,471
Operating income		2,403		4,441
Other expense, net		(66)		(18)
Income from discontinued operations before income taxes		2,337		4,423
Provision for income taxes		119		278
Income from discontinued operations		$ 2,218		$ 4,145