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Share-based Compensation Stock Based Plans Valuation Assumptions (Details) (Stock Options [Member])
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6 Months Ended | |
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Jun. 30, 2013
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Jun. 30, 2012
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Stock Options [Member]
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| Expected Dividend Yield | 0.00% | 0.00% |
| Risk Free Interest Rate | 0.77% | 0.96% |
| Expected Option Life | 5 years 1 month 16 days | 5 years 1 month 16 days |
| Expected Volatility Factor | 99.70% | 87.80% |