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Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) (USD $) In Thousands, unless otherwise specified | Jun. 30, 2013 | Jun. 30, 2012
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Deferred tax assets: |  |
Net operating loss carry-forwards | $ 85,276 | $ 73,413
Tax credit carry-forwards | 28,882 | 23,051
Depreciation | 0 | 14,074
Deferred revenue (net) | 9,710 | 8,722
Warrant amortization | 3,991 | 5,489
Inventory write-downs | 2,759 | 2,803
Other allowances and accruals | 3,658 | 2,901
Other | 8,714 | 10,895
Total deferred tax assets | 142,990 | 141,348
Valuation allowance | (142,023) | (140,641)
Total net deferred tax assets | 967 | 707
Deferred Tax Liabilities, Property, Plant and Equipment | 388 | 0
Deferred tax liabilities: |  |
Deferred tax liability on foreign withholdings | (134) | (120)
Total deferred tax liabilities | 522 | 120
Net deferred tax assets | 445 | 587
Recorded as: |  |
Net current deferred tax assets | 386 | 644
Net non-current deferred tax assets | 294 | 178
Net current deferred tax liabilities | $ (235) | $ (235)

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