v3.26.1
Note 8 - Capital Structure (Tables)
6 Months Ended
Jun. 30, 2026
Notes Tables  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]

Warrants

Exercise

Expiration

Fair

Securities into which warrants are convertible

outstanding

Price

Date

value

Common stock (Initial Public Offering)

9

$

40,650

October 2026

$

170,397

Common stock (Private Placement)

426

$

140,625

April 2027

6,071,114

Common stock (Series A)

517,598

$

48.30

January 2030

7,634,428

Total

518,033

$

13,875,939

Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]

 

 

Initial

 

 

 

 

 

 

 

Public

 

 

Private

 

 

 

Offering

 

 

Placement

 

 

 

Warrants

 

 

Warrants

 

 

 

(Oct 2021)

 

 

(Apr 2022)

 

Fair value of underlying securities

 

$

2.88

 

 

$

1.37

 

Expected volatility

 

 

51.0

%

 

 

45.0

%

Expected term (in years)

 

 

5.0

 

 

 

5.0

 

Risk-free interest rate

 

 

1.13

%

 

 

2.92

%

Series A

Warrants

Fair value of underlying securities

$

14.75

Expected volatility

183.38

%

Expected term (in years)

4.96

Risk-free interest rate

4.30

%

Series B

Warrants

Fair value of underlying securities

$

6.01 - 32.19

Expected volatility

162.99 - 190.53

%

Expected term (in years)

2.46 - 2.49

Risk-free interest rate

4.18 - 4.30

%