Accrued expenses and other liabilities consist of the following as of December 31:
| 2013 | 2012 | |||||||
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Accrued pre-clinical and clinical trial expenses |
$ | 1,083,749 | $ | 197,572 | ||||
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Accrued professional fees |
117,240 | 51,050 | ||||||
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Accrued compensation and benefits |
14,539 | 5,949 | ||||||
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Accrued license fees |
65,000 | 15,000 | ||||||
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Deferred rent |
2,746 | 765 | ||||||
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Other |
5,546 | 10,666 | ||||||
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Current accrued expenses and other liabilities |
1,288,820 | 281,002 | ||||||
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Deferred rent—non-current |
19,131 | 21,878 | ||||||
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Non-current accrued expenses and other liabilities |
19,131 | 21,878 | ||||||
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Total accrued expenses and other liabilities |
$ | 1,307,951 | $ | 302,880 | ||||
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