Quarterly report pursuant to Section 13 or 15(d)

Note 12 - Stockholders' Equity (Tables)

v3.23.2
Note 12 - Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2023
Notes Tables  
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
   

Three Months Ended June 30,

   

Six Months Ended June 30,

 
   

2023

   

2022

   

2023

   

2022

 

Plant operations

  $ 18     $ 23     $ 47     $ 48  

Research and development cost

    22       18       40       36  

General and administrative expense

    559       493       1,199       1,055  

Total

  $ 599     $ 534     $ 1,286     $ 1,139