Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Stockholders' Equity (Tables)

v3.24.2.u1
Note 11 - Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2024
Notes Tables  
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
   

Three Months Ended June 30,

   

Six Months Ended June 30,

 
   

2024

   

2023

   

2024

   

2023

 

Plant operations

  $ 99     $ 18     $ 185     $ 47  

Research and development cost

    16       22       36       40  

General and administrative expense

    636       559       1,304       1,199  

Total

  $ 751     $ 599     $ 1,525     $ 1,286  
Share-based Payment Arrangement, Option and Restricted Stock Unit, Activity [Table Text Block]
                 
    Number of Shares     Number of  
   

Available for

   

RSUs

 
   

Grant

   

Outstanding

 

Balances, December 31, 2023

    1,420,454       8,654,491  

Granted

    (236,522 )     236,522  

Exercised/ Released

          (1,143,833 )

Forfeited

    157,261       (157,261 )

Returned to Plan

    456,646        

Balances, June 30, 2024

    1,797,839       7,589,919