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Subsequent Event (Details Textual) (USD $)
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9 Months Ended | ||||
|---|---|---|---|---|---|
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Sep. 30, 2012
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Sep. 30, 2012
Subsequent Event [Member]
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Oct. 05, 2012
Subsequent Event [Member]
Royalty Contract [Member]
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Oct. 05, 2012
PDL BioPharma Inc [Member]
Subsequent Event [Member]
Royalty Contract [Member]
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Aug. 14, 2012
PDL BioPharma Inc [Member]
Subsequent Event [Member]
Royalty Contract [Member]
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| Subsequent Event (Textual) [Abstract] | |||||
| Royalty contract period | 8 years | ||||
| Consideration for royalty sold | $ 20,800,000 | $ 19,050,000 | $ 1,750,000 | ||
| Expiry date for exercise of put option | Nov. 04, 2016 | ||||
| Outstanding balance prepayment penalty. | $ 370,000 | ||||