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Accrued and Other Current Liabilities (Tables) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2012 | Dec. 31, 2011
Accrued and Other Current Liabilities |  |
Schedule of accrued and other current liabilities |
|  | December 31, 2011 |  | September 30, 2012 |
|  | ($000s) |
Accrued research and development |  | 3,471 |  | 3,335 |
Other current liabilities |  | 712 |  | 792 |
|  | 4,183 |  | 4,127 |
| Accrued and other current liabilities consisted of the following:
|  | December 31, |
|  | 2010 |  | 2011 |
|  | $000 |  | $000 |
Accrued research and development |  | 2,793 |  | 3,471 |
Other current liabilities |  | 961 |  | 712 |
|  | 3,754 |  | 4,183 |

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