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Short-Term Investments (Tables)

12 Months Ended

Dec. 31, 2022

Short-Term Investments [Abstract]

Schedule of Short-term investments

Short-term investments consisted of the following:

		As of December 31,
		2021				2022
		US$				US$
Aggregate cost			2,764,244				25,547,079
Gross unrealized gain			142,100				241,225
Aggregate fair value			2,906,344				25,788,304

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Schedule Of Short Term Investments [Table Text Block].

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