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Organization and Summary of Significant Accounting Policies (Details Textual) (USD $)
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3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
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Sep. 30, 2013
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Sep. 30, 2012
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Sep. 30, 2013
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Sep. 30, 2012
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| Non-Cash Gain (Loss) on Changes in Fair Value of Warrants | $ (1,010,000) | $ (3,673,000) | $ 1,306,000 | $ (1,734,000) |
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Braeburn [Member]
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| Proceeds from Issuance of Common Stock | $ 5,000,000 | |||