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Note 13 - Stock Based Compensation (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]
  

Number
of shares

  

Weighted-Average

Grant Date Fair Value

 

Outstanding at January 1, 2021

  416,666  $0.60 

Vested

  -   - 

Granted

  -   - 

Effect of reserve stock split

  (381,945)  - 
         

Outstanding at December 31, 2021

  34,721  $7.20 

Vested

  (34,721)  (7.20)

Granted

  -   -  

Cancelled/Forfeited/Expired

  -   - 

Effect of reverse stock split

  -   -  
         

Outstanding at December 31, 2022

  -  $-