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Summary of Significant Accounting Policies , Inventory (Details) (USD $)
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Dec. 31, 2013
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Dec. 31, 2012
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|---|---|---|
| Accounting Policies [Abstract] | ||
| Consignment inventory | $ 4,260,000 | $ 2,344,000 |
| Consignment inventory, raw materials | 4,100,000 | 2,100,000 |
| Consignment inventory, finished goods | $ 200,000 | $ 200,000 |