Quarterly report [Sections 13 or 15(d)]

Note 12 - Stockholders' Equity (Tables)

v3.25.2
Note 12 - Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2025
Notes Tables  
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
   

Three Months Ended June 30,

   

Six Months Ended June 30,

 
   

2025

   

2024

   

2025

   

2024

 

Plant operations

  $ 5     $ 99     $ 13     $ 185  

Research and development cost

    30       16       69       36  

General and administrative expense

    310       636       965       1,304  

Total

  $ 345     $ 751     $ 1,047     $ 1,525  
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, 2024

    (23,244 )     18,018       87,410  

Granted

    (51,392 )           51,392  

Released

                (11,073 )

Forfeited

    10,539             (10,539 )

Returned to Plan

    2,648              

Balances, June 30, 2025

    (61,449 )     18,018       117,190