v3.24.0.1
STOCK BASED COMPENSATION (Tables)
9 Months Ended 12 Months Ended
Sep. 30, 2023
Dec. 31, 2022
STOCK BASED COMPENSATION    
Summary of stock-based activities

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Weighted

    

Weighted

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​

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Average

​

Average

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ADS Underlying

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Exercise

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Contractual

​

​

Options

​

Price

​

Terms

Outstanding at December 31, 2022

 

25,595

​

$

210.00

 

9.28

Granted

 

1,071

​

$

210.00

 

​

Forfeited/Cancelled

 

—

​

$

—

 

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Outstanding at September 30, 2023

 

26,666

​

$

210.00

 

8.64

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​

​

​

​

​

​

​

Exercisable options at September 30, 2023

 

7,381

​

$

210.00

 

8.57

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​

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​

​

​

    

​

    

Weighted

    

Weighted

​

​

​

​

Average

​

Average

​

​

ADS Underlying

​

Exercise

​

Contractual

​

​

Options

​

Price

​

Terms

Outstanding at December 31, 2021

 

479

​

$

7,640.88

 

0.33

Granted

 

25,595

​

$

210.00

 

  

Forfeited/Cancelled

 

(479)

​

$

7,640.00

 

  

Outstanding at December 31, 2022

 

25,595

​

$

210.00

 

9.28

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​

​

​

​

​

​

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Exercisable options at December 31, 2022

 

—

​

$

—

 

—

Summary of weighted average assumptions of stock options granted valued using the Black-Scholes option-pricing model  

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December 31, 

 

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2022

 

Expected volatility

 

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106.0

%

Risk-free interest rate

 

​

2.7

%

Expected dividend yield

 

​

0.0

%

Expected life of options in years

 

​

6.9

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Exercise Price

​

$

210.00

​

Fair value of ADS

​

$

184.56

​

Estimated fair value of option

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$

155.04

​