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Income Taxes (Deferred Tax Assets And Liabilities) (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Jun. 30, 2011
Deferred Income Tax Assets And Liabilities [Line Items]    
Net operating loss carryforwards $ 73,121 $ 72,844
Research credits 3,688 3,585
Capitalized research and development 4 22
Stock compensation 599 361
Accruals and Reserves 602 270
Other 504 246
Total deferred tax assets 78,518 77,328
Valuation allowance for deferred tax assets (78,456) (77,266)
Net deferred tax assets, included in other assets $ 62 $ 62