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Accounts Payable and Accrued Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2013
Payables And Accruals [Abstract] |
Summary of Accounts Payable and Accrued Liabilities | Accounts payable and accrued liabilities consist of the following (in thousands):
|  | December 31, |
|  | 2013 |  |  | 2012 |
Accounts payable |  | $ | 3,022 |  |  | $ | 3,046 |
Accrued clinical trial expense |  |  | 727 |  |  |  | 615 |
Accrued professional fees |  |  | 510 |  |  |  | 238 |
Deferred rent |  |  | 121 |  |  |  | 94 |
Other |  |  | — |  |  |  | 20 |
Total accounts payable and accrued liabilities |  | $ | 4,380 |  |  | $ | 4,013 |

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- Definition Tabular disclosure of the (a) carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business (accounts payable); (b) other payables; and (c) accrued liabilities. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). An alternative caption includes accrued expenses. + References No definition available. + Details
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