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Discontinued Operations (Details) (USD $) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Discontinued Operations |  |  |  |
Interest expense allocated to discontinued operations |  |  | $ 0 |
Revenue and pre-tax loss related to discontinued operations |  |  |  |
Revenue |  | 299,000 | 22,000 | 4,385,000
Pre-tax loss | (43,000) | (21,000) | (136,000) | (200,000)
Operation located in Delaware |  |  |  |
Discontinued Operations |  |  |  |
After-tax loss from discontinued operations |  | 100,000 | 100,000 | 200,000
Operation located in Delaware | Maximum |  |  |  |
Discontinued Operations |  |  |  |
After-tax loss from discontinued operations | $ 100,000 |  |  |

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