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Summary of Significant Accounting Policies Property and Equipment (Details)
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12 Months Ended |
|---|---|
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Dec. 31, 2011
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Machinery and Equipment [Member]
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| Property, Plant and Equipment [Line Items] | |
| Useful Life, Minimum | 3.0 |
| Useful Life, Maximum | 5.0 |
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Leasehold Improvements [Member]
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| Property, Plant and Equipment [Line Items] | |
| Useful Life, Minimum | 5.0 |
| Useful Life, Maximum | 10.0 |
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Building [Member]
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| Property, Plant and Equipment [Line Items] | |
| Useful Life, Maximum | 25.0 |