Net Loss Per Share (Tables)

6 Months Ended

Jun. 30, 2021

Net Loss Per Share

Schedule of computation of basic and diluted net loss per share

	For the six months ended June 30,
	2020	2021
	US$	US$
Numerator:
Net loss—basic and diluted	(6,619,139)	(12,134,310)
Deemed dividend in relation to convertible notes	—	(1,368,866)
Net loss attributable to ordinary shareholders	(6,619,139)	(13,503,176)
Shares (Denominator):
Weighted average number of ordinary shares outstanding
Basic	3,094,780,922	3,187,723,620
Diluted	3,094,780,922	3,187,723,620
Net loss earnings per share—basic and diluted	(0.002)	(0.004)

Schedule of instruments excluded from calculation of diluted net income (loss) per share

	For the six months ended June 30,
	2020	2021
Share options	261,092,616	324,679,357
Restricted shares units	29,108,747	32,252,454
Shares of convertible notes	—	208,927,671
Total	290,201,363	565,859,482