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Accrued and Other Current Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2012
Accrued and Other Current Liabilities |
Schedule of accrued and other current liabilities |
|  | December 31, |
|  | 2011 |  | 2012 |
|  | $000 |  | $000 |
Accrued research and development |  | 3,471 |  | 3,623 |
Accrued legal and professional fees |  | 232 |  | 1,118 |
Other current liabilities |  | 480 |  | 860 |
|  | 4,183 |  | 5,601 |

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