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Income Taxes (Details 3) (USD $) In Thousands, unless otherwise specified | Jun. 30, 2012 | Jun. 30, 2011
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Deferred tax assets: |  |
Net operating loss carryforwards | $ 13,021 | $ 12,260
Alternative minimum tax credit carryforwards | 671 | 671
Accrued expenses and other timing | 823 | 333
Total gross deferred tax assets | 14,515 | 13,264
Less - valuation allowance | (13,261) | (12,184)
Net deferred tax assets | 1,254 | 1,080
Deferred tax liabilities: |  |
Property and equipment, principally due to differences in depreciation | (1,254) | (1,808)
Total gross deferred tax liabilities | (1,254) | (1,808)
Net deferred tax assets (liabilities) |  |

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