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Commitments and Contingencies (Details Textuals 2) (Accounts Receivable)
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6 Months Ended | 12 Months Ended |
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Jun. 30, 2012
Customers
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Dec. 31, 2011
Customers
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| Concentration Risk [Line Items] | ||
| Total Percent at risk for various customers | 82.60% | 83.00% |
| Number of customers | 4 | 5 |
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Customer One
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| Concentration Risk [Line Items] | ||
| Total Percent at risk for various customers | 46.90% | 27.00% |
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Customer Two
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| Concentration Risk [Line Items] | ||
| Total Percent at risk for various customers | 25.30% | 17.30% |
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Customer Three
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| Concentration Risk [Line Items] | ||
| Total Percent at risk for various customers | 5.80% | 16.40% |
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Customer Four
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| Concentration Risk [Line Items] | ||
| Total Percent at risk for various customers | 4.60% | 12.10% |
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Customer Five
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| Concentration Risk [Line Items] | ||
| Total Percent at risk for various customers | 10.20% |