Note 8 - Income Taxes (Details) - Significant Components of Deferred Tax Assets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Jun. 30, 2013
Deferred Tax Assets
Net operating loss	$ 14,661	$ 14,788
Capital loss carryover		1,146
Valuation adjustment on investment	737	685
Depreciation	(137)	40
Inventory	261	434
Other	540	542
Valuation allowance	(16,062)	(17,635)
Total deferred tax asset	0	0
Less current portion	0	0
Net long-term deferred tax asset	$ 0	$ 0