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Accrued Expenses and Other Current Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2020
Payables And Accruals [Abstract] |
Schedule of Accrued Expenses and Other Current Liabilities | Accrued expenses and other current liabilities consist of the following at December 31, 2020 and 2019 (in thousands):
|  | December 31, |
|  | 2020 |  |  | 2019 |
Payroll and employee related expenses |  | $ | 1,892 |  |  | $ | 885 |
Third-party research and development expenses |  |  | 381 |  |  |  | 1,344 |
Professional and consulting fees |  |  | 555 |  |  |  | 901 |
Other |  |  | 149 |  |  |  | 110 |
Total accrued expenses and other current liabilities |  | $ | 2,977 |  |  | $ | 3,240 |

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