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Royalty Liability (Details Textual) (USD $)
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1 Months Ended | 12 Months Ended | ||||||
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Nov. 30, 2011
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Mar. 15, 2011
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Nov. 30, 2011
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Sep. 30, 2010
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Dec. 31, 2009
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Jun. 30, 2012
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Dec. 31, 2011
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Nov. 14, 2011
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| Royalty Liability (Textual) [Abstract] | ||||||||
| Royalty liability | $ 3,000,000 | $ 9,849,000 | $ 9,309,000 | $ 5,000,000 | ||||
| Percentage of aggregate royalties on net sales | 2.50% | |||||||
| Royalty rights | $ 40,000,000 | |||||||
| Effective annual interest rate on loan | 78.20% | 51.00% | 1.00% | 22.60% | 21.10% | |||
| Percentage of royalty on net sales | 2.50% | |||||||
| Percentage of royalties above threshold | 40.00% | |||||||
| Percentage of retain royalties on net sales | 60.00% | |||||||
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Minimum [Member]
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| Royalty Liability (Textual) [Abstract] | ||||||||
| Percentage of royalty to third party | 5.50% | |||||||
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Maximum [Member]
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| Royalty Liability (Textual) [Abstract] | ||||||||
| Percentage of royalty to third party | 7.50% | |||||||