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