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Accrued Expenses and Other Current Liabilities | 12 Months Ended
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Dec. 31, 2011
Accrued Expenses and Other Current Liabilities [Abstract] |
Accrued Expenses and Other Current Liabilities | 8. Accrued Expenses and Other Current Liabilities Accrued expenses and other current liabilities consist of the following (in thousands):
|  | For the Years Ended December 31, |
|  | 2011 |  |  | 2010 |
Professional fees |  | $ | 520 |  |  | $ | 313 |
Research and development costs |  |  | 755 |  |  |  | 60 |
Payroll related costs |  |  | 868 |  |  |  | 740 |
Other |  |  | 25 |  |  |  | — |
Total accrued expenses and other current liabilities |  | $ | 2,168 |  |  | $ | 1,113 |

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- Definition The entire disclosure for accounts payable, accrued expenses, and other liabilities that are classified as current at the end of the reporting period. + References No definition available. + Details
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