XML 43 R29.htm IDEA: XBRL DOCUMENT v3.22.4
Note 7 - Stockholders' Equity (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Stock by Class [Table Text Block]
           

Shares Issued and

 
   

Authorized

   

Outstanding December 31,

 
   

Shares

   

2022

   

2021

 

Series B preferred stock

    7,235       1,270       1,275  

Undesignated

    57,765       -       -  
      65,000       1,270       1,275