Note 4 - Property and Equipment, Net (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Depreciation, Total	$ 239	$ 292
Property, Plant and Equipment, Disposals	147	28
Property, Plant and Equipment, Net, Ending Balance	1,651	1,601
Gain (Loss) on Disposition of Property Plant Equipment, Total	5
Internet Domain Names [Member]
Finite-Lived Intangible Assets, Contributed Cost	13
Finite-Lived Intangible Assets, Remaining Basis	9
Transportation Equipment [Member]
Property, Plant and Equipment, Disposals	5
Property, Plant and Equipment, Net, Ending Balance	2
Gain (Loss) on Disposition of Property Plant Equipment, Total	3
Machinery and Equipment [Member]
Gain (Loss) on Disposition of Property Plant Equipment, Total	$ 2