Quarterly report [Sections 13 or 15(d)]

Note 11 - Stockholders' Equity (Tables)

v3.26.1
Note 11 - Stockholders' Equity (Tables)
3 Months Ended
Mar. 31, 2026
Notes Tables  
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
   

Three Months Ended March 31,

 
   

2026

   

2025

 

Plant operations

  $ 1     $ 8  

Research and development cost

    32       38  

General and administrative expense

    417       655  

Total

  $ 450     $ 701  
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

    (53,385 )           53,385  

Released

                (32,455 )

Forfeited

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

Returned to Plan

    11,792              

Balances, March 31, 2026

    15,188             249,376