v3.21.2

Bank loan (Additional Information) (Details) - OCBC Wing Hang Bank Limited [Member] $ in Thousands, $ in Millions | Dec. 10, 2019 HKD ($) item | Dec. 10, 2019 USD ($) item | Dec. 10, 2019 USD ($)
--- | --- | --- | ---
Maximum borrowing amount | $ 50 |  | $ 6,410
Amount borrowed | $ 50 | $ 6,410 |
Number of equal monthly installments | 300 | 300 |
3 Month HIBOR |  |  |
Variable spread rate | 1.80% | 1.80% |
Interest rate | 4.23% | 4.23% |

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