Quarterly report [Sections 13 or 15(d)]

Note 6 - Stockholders' Equity and Equity-linked Instruments (Tables)

v3.25.1
Note 6 - Stockholders' Equity and Equity-linked Instruments (Tables)
3 Months Ended
Mar. 31, 2025
Notes Tables  
Schedule of Stock by Class [Table Text Block]
       

Preferred Stock

   

Proceeds

   

Conversion Shares - Common Stock

   

Other

 

Series

Designation

 

Closing

Date

 

Conversion

Prices(2)(3)(4)

   

Shares

Purchased/

Issued in

Exchange(6)

   

Conversions

/ Exchanges

   

Outstanding -

March 31,

2025

   

Gross

Proceeds

   

Fees

   

Net

Proceeds

   

Original

   

Conversions

/ Exchanges(5)

   

March 31,

2025

   

Original

Placement

Agent

Warrants(1)

 

A

 

November 22, 2022

  $ 12.40       5,359       (5,359 )     -     $ 5,359,000     $ 697,000     $ 4,662,000       432,000       (432,000 )     -       62,000  

A-2

 

November 28, 2022

  $ 13.29       1,297       (1,297 )     -       1,297,000       169,000       1,128,000       98,000       (98,000 )     -       14,000  

A-3

 

November 30, 2022

  $ 13.41       1,733       (1,733 )     -       1,733,000       225,000       1,508,000       129,000       (129,000 )     -       18,000  

A-4

 

December 22, 2022

  $ 7.60       1,934       (1,934 )     -       1,934,000       251,000       1,683,000       254,000       (254,000 )     -       36,000  

A-5

 

January 31, 2023

  $ 11.09       2,299       (2,299 )     -       2,299,000       299,000       2,000,000       207,000       (207,000 )     -       30,000  

AA

 

April 19, 2023

 

$9.43/$1.89

      7,680       (3,981 )     3,699       7,680,000       966,000       6,714,000       4,072,000       (2,111,000 )     1,961,000       112,000  

AA-2

 

April 20, 2023

 

$10.43/$2.09

      1,500       (1,500 )     -       1,500,000       130,000       1,370,000       719,000       (719,000 )     -       17,000  

AA-3

 

April 28, 2023

 

$9.50/$1.90

      1,025       (1,000 )     25       1,025,000       133,000       892,000       539,000       (526,000 )     13,000       16,000  

AA-4

 

May 5, 2023

 

$9.28/$1.86

      1,026       (526 )     500       1,026,000       133,000       893,000       553,000       (283,000 )     270,000       16,000  

AA-5

 

May 26, 2023

 

$10.60/$2.12

      550       (500 )     50       550,000       72,000       478,000       259,000       (236,000 )     23,000       8,000  

AAA

 

November 30, 2023

  $ 1.67       9,388       (2,043 )     7,345       5,377,000       645,000       4,732,000       5,608,000       (1,220,000 )     4,388,000       466,000  

AAA-2

 

December 22, 2023

  $ 1.71       5,334       (2,186 )     3,148       2,978,000       357,000       2,621,000       3,119,000       (1,278,000 )     1,841,000       253,000  

AAA-Junior

 

June 26, 2024

  $ 1.25       1,210       (845 )     365       1,210,000       145,000       1,065,000       968,000       (676,000 )     292,000       140,000  

AAA-Junior

- 2

 

July 10, 2024

  $ 1.25       551       (110 )     441       551,000       66,000       485,000       441,000       (88,000 )     353,000       64,000  

AAA-Junior

- 3

 

September 20, 2024

  $ 1.25       697       -       697       697,000       84,000       613,000       558,000       -       558,000       81,000  

AAA-Junior

– 4

 

September 30, 2024

  $ 1.25       399       -       399       399,000       48,000       351,000       319,000       -       319,000       46,000  
                  41,982       (25,313 )     16,669     $ 35,615,000     $ 4,420,000     $ 31,195,000       18,275,000       (8,257,000 )     10,018,000       1,379,000  
Share-based Payment Arrangement, Warrants, Activity [Table Text Block]
   

For the Three 

Months Ended

March 31,

 
   

2025

   

2024

 
    (Unaudited)     (Unaudited)  

Series AAA Junior-3 and Series AAA Junior-4 Warrants:

               

Beginning balance

  $ 348,000     $ -  

Change in fair value

    (270,000 )     -  

Subtotal - Fair value of warrant liability - Series AAA Junior -3 and Series AAA Junior – 4 Warrants

  $ 78,000     $ -  
                 

Placement Agent Warrants:

               

Beginning balance

  $ 587,000     $ 1,571,000  

Change in fair value

    (447,000 )     761,000  

Subtotal - Fair value of warrant liability – Placement Agent Warrants

  $ 140,000     $ 2,332,000  

Total fair value of warrant liability

  $ 218,000     $ 2,332,000  
Schedule of Warrants, Valuation Assumptions [Table Text Block]
   

March 31,

2025

   

December 31,

2024

   

March 31,

2024

 

Expected Volatility

  99% - 104%     101%       98%    

Risk–free interest rate

  3.89% - 3.93%     4.27% - 4.38%     4.21%  

Dividend yield

  -%     -%     -%  

Expected life of options (in years)

  2.46 - 4.49     2.71 - 4.74     4.14 - 4.72  
Dividends Declared [Table Text Block]

Series Designation

 

Date

 

Dividend Shares

   

Fair Value

Shares

Issued (1)

 

Series A-5

 

February 4, 2025

    2,165     $ 1,000  
          2,165     $ 1,000  

Series Designation

 

Date

 

Dividend Shares

   

Fair Value

Shares

Issued (1)

 

Series A-5

 

January 31, 2024

    2,166     $ 4,000  
          2,166     $ 4,000