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Income Taxes Income Tax Text tags (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2013 | Mar. 31, 2012 | Mar. 31, 2011
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |  |  |  |  |
Income tax expense (benefit) | $ (64,000) | $ (68,000) | $ (37,000) | $ (159,000) | $ 34,000 | $ 1,004,000 | $ (185,000) | $ 109,000 | $ 328,000 | $ (961,000) | $ 15,718,000
Income Tax Reconciliation, Change in Deferred Tax Assets Valuation Allowance |  |  |  |  |  |  |  |  | 795,000 | 2,835,000 | 18,870,000
Stock Issued During Period, Value, Issued for Cash |  |  |  |  |  |  |  | 55,000,000 |  |  |
Operating Loss Carryforwards | 900,000 |  |  |  |  |  |  |  | 900,000 |  |
Deferred Tax Assets, Net of Valuation Allowance | 26,800,000 |  |  |  |  |  |  |  | 26,800,000 |  |
Deferred Tax Asset Reduction | 4,700,000 |  |  |  |  |  |  |  | 4,700,000 |  |
Deferred Tax Assets, Net of Valuation Allowance, Current | 22,100,000 |  |  |  |  |  |  |  | 22,100,000 |  |
Deferred Tax Assets, Operating Loss Carryforwards, Federal | 21,900,000 |  |  |  |  |  |  |  | 21,900,000 |  |
Deferred Tax Assets, Operating Loss Carryforwards, State and Local | 37,100,000 |  |  |  |  |  |  |  | 37,100,000 |  |
Deferred Tax Assets, Operating Loss Carryforwards, City | $ 32,000,000 |  |  |  |  |  |  |  | $ 32,000,000 |  |

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