Accounts payable and other current liabilities consist of the following:
| DECEMBER 31, | ||||||||
| (in thousands) | 2013 | 2012 | ||||||
|
Accounts payable |
$ | 1,442 | $ | 174 | ||||
|
Accrued expenses and other liabilities: |
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|
Employee benefits and compensation related accruals(1) |
966 | 400 | ||||||
|
General and administrative related accruals |
411 | 364 | ||||||
|
Research and development related accruals |
663 | 499 | ||||||
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|
|
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| $ | 3,482 | $ | 1,437 | |||||
| (1) | Comprised of accrued bonus, accrued vacation, accrued severance liabilities, and liabilities under the Company’s employee stock purchase plan. |