v3.26.1
STOCK BASED COMPENSATION (Tables)
3 Months Ended
Mar. 31, 2026
STOCK BASED COMPENSATION  
Summary of stock-based activities under the Amended & 2025 Plans

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Weighted

  ​ ​ ​

Weighted

Average

Average

ADS Underlying

Exercise

Contractual

Options

Price

Terms

Outstanding at December 31, 2025

 

215,957

$

42.83

 

9.30

Granted

 

804,661

7.38

 

Outstanding at March 31, 2026

 

1,020,618

$

14.88

 

9.68

Exercisable options at March 31, 2026

 

10,774

$

485.14

 

8.04

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

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March 31, 

 

2026

 

Expected volatility

 

118.7

%

Risk-free interest rate

 

4.0

%

Expected dividend yield

 

0.0

%

Expected life of options in years

 

6.4

Exercise Price

$

7.38

Fair value of common stock

$

7.38

Estimate fair value of option

$

6.51