Basic and Diluted Net Loss per Share (Tables)
12 Months Ended
Dec. 31, 2020
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share Computation The computation of earnings per share for the years ended December 31, 2018, 2019 and 2020 is as follows:
Year Ended December 31,
201820192020
(US$)
Numerator:
Net income (loss)$376,116 $(6,177,438)$(3,114,860)
Cumulative undeclared dividends on convertible redeemable preferred shares(9,961,473)(9,961,473)(6,714,852)
Accretion on convertible redeemable preferred shares to redemption value (Note 10)(33,234,811)(50,714,953)(193,465,743)
Net loss attributable to Agora, Inc.’s ordinary shareholders - basic and diluted(42,820,168)(66,853,864)(203,295,455)
Denominator:
Denominator for basic and diluted loss per share weighted-average ordinary shares outstanding109,141,311 115,716,392 268,849,967 
Basic and diluted loss per share$(0.39)$(0.58)$(0.76)
Schedule of Antidilutive Ordinary Shares Excluded from Computation of Earnings Per Share
The following ordinary shares equivalent were excluded from the computation of diluted net loss per ordinary share for the periods presented because including them would have had an anti-dilutive effect:
Year Ended December 31,
201820192020
Preferred shares - weighted average141,543,341 167,855,481 86,731,855 
Share options - weighted average17,280,175 26,923,735 39,846,432 
Restricted share - weighted average11,358,874 5,154,272 479,275 
Restricted share units - weighted average
— — 32,870 
VPP shares – weighted average
— — 39,311