Discontinued Operations (Details 4) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Operating expenses:
Income from discontinued operations	$ (245)	$ 527	$ 22,851	$ 477
Real time Business Segment [Member]
Revenue		7,536		23,843
Cost of sales		3,099		9,494
Gross margin		4,437		14,349
Operating expenses:
Sales and marketing		1,436		4,503
Research and development		1,024		3,043
General and administrative		204		589
Total operating expenses		2,664		8,135
Operating income		1,773		6,214
Other income, net		36		18
Income from discontinued operations before income taxes		1,809		6,232
Provision for income taxes		82		360
Income from discontinued operations		$ 1,727		$ 5,872