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Accounts payable (Tables) | 12 Months Ended
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Dec. 31, 2020
Disclosure Of Detailed Information Of Trade And Other Payable Explanatory [Abstract] |
Summary of Accounts Payable |
|  | December 31, 2019 |  |  | December 31, 2020 |
|  | NT$000 |  |  | NT$000 |
Accounts payable |  |  | 419,520 |  |  |  | 766,805 |
Estimated accounts payable |  |  | 400,028 |  |  |  | 200,016 |
|  |  | 819,548 |  |  |  | 966,821 |

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