Note 7 - Income Taxes - Significant Components of Deferred Tax Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016
Net operating loss	$ 13,314	$ 13,967
Capital loss carryover	31	31
Valuation adjustment on investment in iBio, Inc.	707	695
Depreciation	(269)	(166)
Inventory	139	156
Change in estimated fair value of derivative liability	201	31
Other	94
Valuation allowance	(13,394)	(14,714)
Total deferred tax asset, net	$ 823

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards.

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