Note 4 - Components of Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Jun. 30, 2015	Jun. 30, 2014
Leasehold Improvements [Member]
Property, plant and equipment, gross	$ 114	$ 105	$ 596
Furniture and Fixtures [Member]
Property, plant and equipment, gross	373	373	628
Machinery and Equipment [Member]
Property, plant and equipment, gross	$ 1,329	$ 1,329	1,365
Assets in Progress [Member]
Property, plant and equipment, gross			116
Property, plant and equipment, gross	$ 1,816	$ 1,807	2,705
Less accumulated depreciation and amortization	(1,370)	(1,269)	(2,042)
Property and equipment, net	$ 446	$ 538	$ 663