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Balance Sheet Components (Tables) | 12 Months Ended
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Dec. 31, 2020
Balance Sheet Components |
Summary of Prepaid Expenses and Other Current Assets | Prepaid expenses and other current assets consisted of the following (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
​ |  | 2020 |  | 2019
Prepaid clinical and research related expenses | ​ | $ | 3,517 | ​ | $ | 2,567
Prepaid insurance | ​ | ​ | 1,440 | ​ | ​ | 1,161
Other prepaid expenses | ​ |  | 1,009 | ​ |  | 1,057
Other receivable | ​ | ​ | 311 | ​ | ​ | 744
Prepaid expenses and other current assets | ​ | $ | 6,277 | ​ | $ | 5,529
Summary of Property and Equipment Net | Property and equipment, net consisted of the following (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
​ |  | 2020 |  | 2019
Laboratory equipment | ​ | $ | 3,539 | ​ | $ | 2,947
Furniture and computer equipment | ​ |  | 648 | ​ |  | 512
Leasehold improvements | ​ |  | 748 | ​ |  | 863
Total property and equipment | ​ |  | 4,935 | ​ |  | 4,322
Less: accumulated depreciation and amortization | ​ |  | (3,473) | ​ |  | (2,641)
Property and equipment, net | ​ | $ | 1,462 | ​ | $ | 1,681
Schedule of Accrued Expenses and Other Payables | Accrued expenses and other payables consisted of the following (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
​ |  | 2020 | ​ | 2019
Accrued clinical and research related expenses | ​ | $ | 11,335 | ​ | $ | 7,232
Accrued employee related expenses | ​ |  | 6,413 | ​ |  | 4,637
Accrued professional service fees | ​ | ​ | 668 | ​ | ​ | 301
Accrued interest payable | ​ | ​ | — | ​ | ​ | 68
Other | ​ |  | 82 | ​ |  | 122
Total accrued expenses and other payables | ​ | $ | 18,498 | ​ | $ | 12,360

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