Property and Equipment, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Property, Plant and Equipment [Line Items]
Accumulated depreciation	$ (9,321)	$ (9,301)
Total property and equipment, net	6,587	3,127
Depreciation expense	1,200	1,500	$ 1,800
Equipment (includes computer hardware and software)
Property, Plant and Equipment [Line Items]
Property and equipment, gross	10,504	7,420
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,592	1,536
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	3,761	3,421
Vehicles
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 51	$ 51