Note 10. Income Taxes (Detail) - Significant Components of Deferred Tax Assets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Jun. 30, 2011
Deferred Tax Assets
Net operating loss	$ 14,613	$ 13,268
Capital loss carryover	1,290	1,290
Valuation adjustment on investment	638	638
Depreciation	88	41
Inventory	839	752
Other	580	874
Valuation allowance	(18,048)	(16,863)
Total deferred tax asset	0	0
Less current portion	0	0
Net long-term deferred tax asset	$ 0	$ 0