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Income Taxes Income Taxes Text Tag (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2011 | Mar. 31, 2019 | Mar. 31, 2018
Income Tax Disclosure [Abstract] |  |  |
Stock Issued During Period, Value, Issued for Cash | $ 55,000 |  |
Section 382 annual limitation |  | .9 |
Operating Loss Carryforwards |  | $ 7,000 |
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration |  | 18,100 |
Deferred Tax Assets, Net |  | 24,115 | $ 22,346
Deferred Tax Asset Reduction |  | 5,800 |
Deferred Tax Assets, Valuation Allowance, Current |  | 23,900 |
AMT credits |  | 170 | 340
Deferred Tax Assets, Operating Loss Carryforwards, Federal |  |  | 32,300
Deferred Tax Assets, Operating Loss Carryforwards, State and Local |  |  | 61,000
Deferred Tax Assets, Operating Loss Carryforwards, City |  |  | $ 54,000
Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration |  | $ 8,600 |

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