XML 50 R30.htm IDEA: XBRL DOCUMENT v3.22.1
Mezzanine Equity (Tables)
12 Months Ended
Dec. 31, 2021
Temporary Equity Disclosure [Abstract]  
Summary of Activities of Temporary Equity

The activities of Series Angel Preferred Shares, Series Pre-A Preferred Shares and Series A Preferred Shares for the years ended December 31, 2019 and 2020 are as follows:

 

 

 

Series Angel Preferred Shares

 

 

Series Pre-A Preferred Shares

 

 

Series A Preferred Shares

 

 

Total

 

 

 

US$

 

 

US$

 

 

US$

 

 

US$

 

Balance as of January 1, 2019

 

 

234,394

 

 

 

3,570,201

 

 

 

20,157,863

 

 

 

23,962,458

 

Accretion

 

 

29,214

 

 

 

 

 

 

1,911,038

 

 

 

1,940,252

 

Balance as of December 31, 2019

 

 

263,608

 

 

 

3,570,201

 

 

 

22,068,901

 

 

 

25,902,710

 

Accretion

 

 

24,299

 

 

 

 

 

 

1,552,727

 

 

 

1,577,026

 

Conversion to ordinary shares

 

 

(287,907

)

 

 

(3,570,201

)

 

 

(23,621,628

)

 

 

(27,479,736

)

Balance as of December 31, 2020