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Accrued Liabilities | 6 Months Ended
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Jun. 30, 2016
Accrued Liabilities |
Accrued Liabilities | 3. Accrued Liabilities Accrued liabilities consist of the following (in thousands):
|  | As of June 30, |  | As of December 31, |
|  | 2016 |  | 2015 |
Accrued offering costs |  | $ | 1,376 |  | $ | 575 |
Legal costs |  |  | 198 |  |  | 234 |
Payroll |  |  | 116 |  |  | 2 |
Other research and development expenses |  |  | 637 |  |  | 759 |
Other general and administrative expenses |  |  | 128 |  |  | 47 |
Total |  | $ | 2,455 |  | $ | 1,617 |

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