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Accrued Expenses (Tables) | 12 Months Ended
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Dec. 31, 2012
Accrued Expenses [Abstract] |
Schedule of accrued expenses | Accrued expenses include the following:
(in thousands) |  | December 31, 2012 |  |  | December 31, 2011 |
Compensation, excluding taxes |  | $ | 1,933 |  |  | $ | 1,688 |
Professional fees |  |  | 1,437 |  |  |  | 1,227 |
Contract Research Organization |  |  | 1,283 |  |  |  | 1,800 |
Other1 |  |  | 1,137 |  |  |  | 758 |
Total accrued liabilities |  | $ | 5,790 |  |  | $ | 5,473 |
1 Other consists of various accrued expenses, with no individual item accounting for more than 5% of current liabilities at December 31, 2012 and 2011.

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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