Quarterly report [Sections 13 or 15(d)]

Note 11 - Stockholders' Equity (Tables)

v3.26.1
Note 11 - Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2026
Notes Tables  
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
   

Three Months Ended June 30,

   

Six Months Ended June 30,

 
   

2026

   

2025

   

2026

   

2025

 

Plant operations

  $ 1     $ 5     $ 2     $ 13  

Research and development cost

    35       30       67       69  

General and administrative expense

    289       310       706       965  

Total

  $ 325     $ 345     $ 775     $ 1,047  
Share-based Payment Arrangement, Option and Restricted Stock Unit, Activity [Table Text Block]
   

Number of Shares

   

Number of

   

Number of

 
   

Available for

   

PSUs

   

RSUs

 
   

Grant

   

Outstanding

   

Outstanding

 

Balances, December 31, 2025

    37,749       11,878       235,600  

Granted

    (61,319 )           61,319  

Released

                (50,314 )

Forfeited

    19,032       (11,878 )     (7,154 )

Returned to Plan

    17,269              

Balances, June 30, 2026

    12,731             239,451