v3.26.1
Note 2 - Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2025
Notes Tables  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
   

Level 1

   

Level 2

   

Level 3

   

Balance as

of

December 31,

2025

 

Investments:

                               

Publicly traded common stock

  $ 0     $ -     $ -     $ 0  

Publicly traded options

            -       -          

Private company common stock

    -       -       2,961,358       2,961,358  

Private company preferred stock

    -       -       200,000       200,000  

Total

  $ 0     $ -     $ 3,161,358     $ 3,161,358  
   

Level 1

   

Level 2

   

Level 3

   

Balance as

of

December 31,

2024

 

Investments:

                               

Publicly traded common stock

  $ 0     $ -     $ -     $ 0  

Publicly traded options

            -       -          

Private company common stock

    -       -       2,961,358       2,961,358  

Private company preferred stock

    -       -       200,000       200,000  

Total

  $ 0     $ -     $ 3,161,358     $ 3,161,358  
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
   

Fair Value as of

       
   

December 31,

2025

 

Valuation Technique

 

Unobservable Inputs

               

Private Company Preferred Stock

  $ 200,000  

Purchase price June 2022

 

Acquisition cost

Private Company Common Stock

  $ 562  

Price of Management Buyout

 

Recent Funding Round.

Private Company Common Stock

  $ 2,960,796  

Valuation range $2.25bn

 

Virtua Valuation Analysis.

   

Fair Value as of

       
   

December 31,

2024

 

Valuation Technique

 

Unobservable Inputs

               

Private Company Preferred Stock

  $ 200,000  

Purchase price June 2022

 

Acquisition cost

Private Company Common Stock

  $ 562  

Price of Management Buyout

 

Recent Funding Round.

Private Company Stock

  $ 2,960,796  

Valuation range $2.25bn

 

Virtua Valuation Analysis.

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
   

12 Months Ended

December 31,

2025

 

Balance as of December 31, 2024

  $ 3,161,358  

Unrealized loss on investments

       

Purchase of investment

       

Balance as of December 31, 2025

  $ 3,161,358  
   

12 Months Ended

December 31,

2024

 

Balance as of December 31, 2023

  $ 3,439,881  

Unrealized loss on investments

    (245,465 )

Purchase of investment

       

Tender Offer Sale - Return of Capital

    (33,058 )

Balance as of December 31, 2024

  $ 3,161,358