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Accrued and Other Current Liabilities | 12 Months Ended
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Dec. 31, 2020
Payables And Accruals [Abstract] |
Accrued and Other Current Liabilities | 8. Accrued and Other Current Liabilities Accrued and other current liabilities consisted of the following at December 31, 2019 and 2020 (in thousands):
|  | December 31, |  | December 31,
|  | 2019 |  | 2020
Accrued research and development |  | $ | 617 |  | $ | 781
Accrued legal and professional fees |  |  | 235 |  |  | 325
Other current liabilities |  |  | 678 |  |  | 866
|  | $ | 1,530 |  | $ | 1,972

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- Definition The entire disclosure for accounts payable, accrued expenses, and other liabilities that are classified as current at the end of the reporting period. + References No definition available. + Details
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