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Share Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2023
Share Based Compensation [Abstarct]  
Schedule of the Option Activity A summary of the option activity for the years ended December 31, 2023, 2022 and 2021 and changes during the period is presented below:
   Number of
share options(1)		   Weighted
average
exercise
price
$		   Remaining
contractual
term in
years		   Aggregate
Intrinsic
value		 
                 
Outstanding, January 1, 2023   272,126    21.54    10.83        
                     
Granted   403,820    2.68           
Exercised   (791)   20.90         
-
 
Modified   (248,095)   21.74           
Outstanding, December 31, 2023   427,060    3.59    9.28    
-
 
Exercisable, December 31, 2023   420,157    3.43    9.42    
-
 
   Number of
share options(1)		   Weighted
average
exercise
price
$		   Remaining
contractual
term in
years		   Aggregate
Intrinsic
value		 
                 
Outstanding, January 1, 2022   127,404    31.91    11.01      
                     
Granted   153,146    13.40    12.30      
Exercised   (6,721)   25.25         
-
 
Forfeited   (1,268)   28.11           
Cancelled   (435)   116.71           
Outstanding, December 31, 2022   272,126    21.54    10.83    
-
 
Exercisable, December 31, 2022   89,300    32.71    9.64    
-
 
   Number of
share options(1)		   Weighted
average
exercise
price
$		   Remaining
contractual
term in
years		   Aggregate
Intrinsic
value		 
                 
Outstanding, January 1, 2021   71,756    37.63    11.22      
                     
Granted   75,235    27.60    12.29      
Exercised   (19,037)   36.52         
-
 
Forfeited   (550)   29.00           
Outstanding, December 31, 2021   127,404    31.91    11.01    
-
 
Exercisable, December 31, 2021   31,456    42.62    9.63    
-
 
(1) All per share amounts and shares outstanding for all periods have been retroactively restated to reflect APTORUM GROUP LIMITED’s 1 for 10 reverse stock split, which was effective on January 23, 2023.

 
Schedule of Each Stock Option Award is Estimated on the Date of Grant Using the Black-Scholes Option Pricing Model The fair value of each stock option award is estimated on the date of grant using the Black-Scholes option pricing model under the following assumptions.
   Granted in
2023		   Granted in
2022		   Granted in
2021		 
Expected volatility   170.10%   89.55%   97.70%
Risk-free interest rate   3.48%   1.86%   1.64%
Expected term from grant date (in years)   5.25    5.63-6.41    5.62-6.41 
Dividend rate   
-
    
-
    
-
 
Dilution factor   1    1    1 
Fair value  $2.68   $9.74 - $10.16   $25.11 - $26.01