v3.26.3
Note 8 - Fair Value - Changes in Fair Value Measurements (Details) - Borrowings [Member]
9 Months Ended
Sep. 30, 2026
USD ($)
Notes payable $ 500,000
Notes payable at issuance 1,175,000
Change in fair value 125,500
Notes payable 1,800,500
Nonrelated Party [Member]  
Notes payable 300,000
Notes payable at issuance 1,075,000
Change in fair value 102,500
Notes payable 1,477,500
Related Party [Member]  
Notes payable 200,000
Notes payable at issuance 100,000
Change in fair value 23,000
Notes payable $ 323,000