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Note 9 - Net Loss Per Share
 12 Months Ended
Dec. 31, 2021
Notes to Financial Statements  
Earnings Per Share [Text Block]

9.

Net loss per share

 

Basic and diluted net loss per share attributable to ordinary shareholders was calculated as follows:

 

   

Year Ended December 31,

  
   

2019

    

2020

    

2021

  

Numerator:

                        

Net loss attributable to BeyondSpring Inc.—basic and diluted

   $ (38,085

)

   $ (60,973

)

   $ (64,179

)
                         

Denominator:

                        

Weighted average number of ordinary shares outstanding—basic and diluted

     24,645,714       29,984,284       39,023,643  
                         

Net loss per share —basic and diluted

   $ (1.55

)

   $ (2.03

)

   $ (1.64

)

 

The effects of all share options and unvested restricted shares were excluded from the calculation of diluted loss per share as their effect would have been anti-dilutive during the years ended December 31, 2019, 2020 and 2021.