v3.26.1
Note 10 - Share Based Compensation -10-Q (Tables)
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Notes Tables    
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
  

Shares Available

  

Number of Options

  

Weighted Average

 
  

For Grant

  

Outstanding

  

Exercise Price

 

Balance at December 31, 2025

  10,443,566   7,556,434  $0.44 

Granted

  (216,448)  216,448  $1.13 

Exercised

  183,510   (183,510) $0.23 

Cancelled

  18,726   (18,726) $2.11 

Balance at March 31, 2026

  10,429,354   7,570,646  $0.66 
  Shares Available For Grant  Number of Options Outstanding  Weighted Average Exercise Price 

Balance at December 31, 2024

  1,183,618   7,210,742  $0.49 

Approved pool increase

  9,605,640   -   - 

Granted

  (837,036)  837,036   2.14 

Forfeited

  107,323   (107,323)  0.23 

Cancelled

  384,021   (384,021)  0.83 

Balance at December 31, 2025

  10,443,566   7,556,434  $0.44 
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Stock Price $1.08-$1.69 

Expected dividend yield

  0%  

Expected stock price volatility

 162%-164% 

Risk-free interest rate

 3.73%-3.86% 

Expected term (years)

  6.08  

Stock Price

 $ 1.42 

Expected dividend yield

-% 

Expected stock price volatility

189% 

Risk-free interest rate

4.69% 

Expected term (years)

6.08 

Stock Price

$ 8.70

 

Expected dividend yield

-%

 

Expected stock price volatility

146%

 

Risk-free interest rate

3.77%

 

Expected term (years)

6.08

 
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
  

Three Months Ended March 31,

 
  

2026

  

2025

 

Cost of revenue

 $18  $1 

Research and development

  -   3 

Selling, general and administrative

  147   137 

Total stock-based compensation

 $165  $141 
  

Year Ended December 31,

 
  

2025

  

2024

 

Cost of revenue

 $58  $12 

Research and development

  61   13 

Selling, general and administrative

  635   861 

Total stock-based compensation

 $754  $886