Quarterly report [Sections 13 or 15(d)]

Stockholders' Equity (Tables)

v3.26.1
Stockholders' Equity (Tables)
3 Months Ended
Mar. 31, 2026
Stockholders' Equity  
Summary of Warrant Activities

A summary of warrant activities for the three months ended March 31, 2026, is presented below:

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  ​ ​ ​

  ​ ​ ​

Weighted Average

Remaining

Weighted Average

Contractual Life (in

Warrants

Exercise Price

years)

Outstanding as of December 31, 2025

 

4,678,646

$

6.93

 

3.37

Expired

 

(337,552)

 

13.50

 

Outstanding as of March 31, 2026

 

4,341,094

$

6.42

 

3.38

Summary of Stock Option Activities

The following table summarizes stock option activities for the three months ended March 31, 2026:

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Weighted Average

Remaining

Weighted Average

Contractual Life (in

Stock Options

Exercise Price

years)

Outstanding at December 31, 2025

 

1,521

$

4,297.50

 

1.31

Outstanding at March 31, 2026

 

1,521

$

4,297.50

 

1.06

Options vested and exercisable at March 31, 2026

 

951

$

4,297.50

 

1.06

Schedule of Stock-Based Compensation Expense

The following table summarizes stock-based compensation expense for the three months ended March 31, 2026 and 2025 (in thousands):

For the three months ended March 31, 

  ​ ​ ​

2026

  ​ ​ ​

2025

  ​ ​ ​

General and administrative

$

22

$

49

Research and development (1)

 

 

(11)

Total stock-based compensation expense

$

22

$

38

(1) Credit reflects the forfeitures of restricted stock units and the reversal of previously incurred stock-based compensation expense.

Restricted stock award  
Stockholders' Equity  
Schedules of Restricted Stock and Restricted Stock Unit Activity

The following table summarizes restricted stock award activities for the three months ended March 31, 2026:

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Weighted Average

Grant Date Fair

Number of Shares

Value

Nonvested at December 31, 2025

 

720

$

345.00

Nonvested at March 31, 2026

 

720

$

345.00

Restricted stock units  
Stockholders' Equity  
Schedules of Restricted Stock and Restricted Stock Unit Activity

Certain employees and consultants have been awarded restricted stock units with time-based vesting. The following table summarizes restricted stock units activity for the three months ended March 31, 2026:

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Weighted Average

Grant Date Fair

Number of Units

Value

Nonvested at December 31, 2025

 

96

$

310.81

Vested

 

(11)

 

461.86

Nonvested at March 31, 2026

 

85

$

291.26