Quarterly report [Sections 13 or 15(d)]

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

v3.25.2
Note 6 - Stockholders' (Deficit) Equity and Equity-linked Instruments (Tables)
6 Months Ended
Jun. 30, 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)(7)

   

Shares

Purchased/

Issued in

Exchange(6)

   

Conversions

/ Exchanges

   

Outstanding -

June 30,

2025

   

Gross

Proceeds

   

Fees

   

Net

Proceeds

   

Original

   

Conversions

/ Exchanges(5)

   

June 30,

2025

   

Original

Placement

Agent

Warrants(1)

 

A

 

November 22, 2022

  $ 496.40       5,359       (5,359 )     -     $ 5,359,000     $ 697,000     $ 4,662,000       11,000       (11,000 )     -       2,000  

A-2

 

November 28, 2022

  $ 531.60       1,297       (1,297 )     -       1,297,000       169,000       1,128,000       2,000       (2,000 )     -       -  

A-3

 

November 30, 2022

  $ 536.40       1,733       (1,733 )     -       1,733,000       225,000       1,508,000       3,000       (3,000 )     -       -  

A-4

 

December 22, 2022

  $ 304.00       1,934       (1,934 )     -       1,934,000       251,000       1,683,000       6,000       (6,000 )     -       1,000  

A-5

 

January 31, 2023

  $ 443.60       2,299       (2,299 )     -       2,299,000       299,000       2,000,000       5,000       (5,000 )     -       1,000  

AA

 

April 19, 2023

 

$377.20/$75.60

      7,680       (4,041 )     3,639       7,680,000       966,000       6,714,000       102,000       (54,000 )     48,000       3,000  

AA-2

 

April 20, 2023

 

$417.20/$83.60

      1,500       (1,500 )     -       1,500,000       130,000       1,370,000       18,000       (18,000 )     -       -  

AA-3

 

April 28, 2023

 

$380.00/$76.00

      1,025       (1,000 )     25       1,025,000       133,000       892,000       13,000       (13,000 )     -       -  

AA-4

 

May 5, 2023

 

$371.20/$74.40

      1,026       (526 )     500       1,026,000       133,000       893,000       14,000       (7,000 )     7,000       -  

AA-5

 

May 26, 2023

 

$424.00/$84.80

      550       (500 )     50       550,000       72,000       478,000       6,000       (6,000 )     -       -  

AAA

 

November 30, 2023

  $ 66.80       9,388       (2,143 )     7,245       5,377,000       645,000       4,732,000       140,000       (32,000 )     108,000       19,000  

AAA-2

 

December 22, 2023

  $ 68.40       5,334       (2,186 )     3,148       2,978,000       357,000       2,621,000       78,000       (32,000 )     46,000       11,000  

AAA-Junior

 

June 26, 2024

  $ 50.00       1,210       (858 )     352       1,210,000       145,000       1,065,000       24,000       (17,000 )     7,000       4,000  

AAA-Junior

- 2

 

July 10, 2024

  $ 50.00       551       (110 )     441       551,000       66,000       485,000       11,000       (2,000 )     9,000       2,000  

AAA-Junior

- 3

 

September 20, 2024

  $ 50.00       697       (70 )     627       697,000       84,000       613,000       14,000       (1,000 )     13,000       2,000  

AAA-Junior

– 4

 

September 30, 2024

  $ 50.00       399       -       399       399,000       48,000       351,000       8,000       -       8,000       1,000  
                  41,982       (25,556 )     16,426     $ 35,615,000     $ 4,420,000     $ 31,195,000       455,000       (209,000 )     246,000       46,000  
Share-based Payment Arrangement, Warrants, Activity [Table Text Block]
   

Three Months

   

Six Months

 
   

Ended June 30,

   

Ended June 30,

 
   

2025

   

2024

   

2025

   

2024

 

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

                               

Beginning balance

  $ 78,000     $ 2,332,000     $ 348,000     $ 1,571,000  

Change in fair value

    (58,000 )     (1,667,000 )     (328,000 )     (906,000 )

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

    20,000       665,000       20,000       665,000  
                                 

Placement Agent Warrants:

                               

Beginning balance

    140,000       -       587,000       -  

Change in fair value

    (86,000 )     -       (533,000 )     -  

Subtotal - Fair value of warrant liability – Placement Agent Warrants

  $ 54,000     $ -     $ 54,000     $ -  
                                 
Total fair value of warrant liability   $ 74,000     $ 665,000     $ 74,000     $ 665,000  
Schedule of Warrants, Valuation Assumptions [Table Text Block]
   

June 30,

2025

   

December 31,

2024

   

June 30,

2024

 
                   

Expected Volatility

 

103%

-

107%

   

101%

   

98%

 

Risk–free interest rate

 

3.68%

-

3.74%

   

4.27%

-

4.38%

   

4.21%

 

Dividend yield

 

-%

   

-%

   

-%

 

Expected life of options (in years)

 

2.21

-

4.24

   

2.71

-

4.74

   

3.89

-

4.47

 
Dividends Declared [Table Text Block]

Series Designation

 

Date

 

Dividend Shares

   

Fair Value

Shares

Issued (1)

 

Series A-5

 

February 4, 2025

    54     $ 1,000  

Series AA

 

April 28, 2025

    6,359       89,000  

Series AA-3

 

May 1, 2025

    66       1,000  

Series AA-4

 

May 21, 2025

    1,348       9,000  

Series AA-5

 

May 30, 2025

    118       1,000  
          7,945     $ 101,000  

Series Designation

 

Date

 

Dividend Shares

   

Fair Value of

Shares Issued (1)

 

Series A-5

 

January 31, 2024

    55     $ 4,000  

Series AA

 

April 19, 2024

    11,907       662,000  

Series AA-3

 

April 29, 2024

    1,029       60,000  

Series AA-4

 

May 6, 2024

    1,387       77,000  

Series AA-5

 

May 30, 2024

    1,297       65,000  

Total

    15,675     $ 868,000