v3.26.1
Note 5 - Debt and Warrants Transactions (Tables)
6 Months Ended
Jun. 30, 2026
Notes Tables  
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]

Notes Warrants

 

June 30, 2026

 

 

December 31, 2025

 

Common stock market price

 

$2.68

 

 

$2.70

 

Risk-free interest rate

 

 

3.9%

 

 

3.5%

Expected dividend yield

 

 

 

 

 

 

Expected term (in years)

 

 

1.12

 

 

 

1.61

 

Expected volatility

 

 

88.2%

 

 

119.9%

Additional Warrants

 

June 30, 2026

 

 

December 31, 2025

 

Common stock market price

 

$2.68

 

 

$2.70

 

Risk-free interest rate

 

 

4.0%

 

 

3.5%

Expected dividend yield

 

 

 

 

 

 

Expected term (in years)

 

 

1.62

 

 

 

2.12

 

Expected volatility

 

 

101.2%

 

 

116.0%