Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.22.0.1
Consolidated Balance Sheets (Parenthetical) - $ / shares
Dec. 31, 2021
Dec. 31, 2020
Statement Of Financial Position [Abstract]    
Ordinary shares, par value (in dollars per share) $ 0.001 $ 0.001
Ordinary shares, authorized 980,000,000 490,000,000
Ordinary shares, issued 416,891,915 315,636,032
Ordinary shares, outstanding 416,891,915 315,636,032