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PREPAYMENTS AND OTHER CURRENT ASSETS (Tables) | 12 Months Ended
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Dec. 31, 2022
PREPAYMENTS AND OTHER CURRENT ASSETS |
Summary of prepayments and other current assets | ​
​ | ​ | ​ | ​ | ​
​ | ​ | As of December 31,
​ |  | 2021 |  | 2022
​ | ​ | US$ | ​ | US$
Prepayments |  | 1,562,177 |  | 1,161,910
Deposits (a) |  | 1,873,843 |  | 2,970,421
Others |  | 619,901 |  | 804,992
​ |  | 4,055,921 |  | 4,937,323
Note (a): The deposits represented the amounts that the Group paid to its CRO vendors for various outsourced research and development programs according to the terms of respective CRO agreements. The Group expects to recover the deposits if the programs fail or the agreements are cancelled.

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- Definition Tabular disclosure of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer; the aggregate carrying amount of current assets, not separately presented elsewhere in the balance sheet; and other deferred costs. + References No definition available. + Details
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- References No definition available. + Details
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