Quarterly report pursuant to Section 13 or 15(d)

Note 12 - Stockholders' Equity (Tables)

v3.23.1
Note 12 - Stockholders' Equity (Tables)
3 Months Ended
Mar. 31, 2023
Notes Tables  
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
   

Three Months Ended March 31,

 
   

2023

   

2022

 

Plant operations and clean up

  $ 29     $ 25  

Research and development cost

    18       18  

General and administrative expense

    640       562  

Total

  $ 687     $ 605