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Note 10 - Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2024
Notes Tables  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
  

2024

  

2023

 

Outstanding, December 31

  5,021,354   4,490,104 

Warrants issued in connection with public offering and private placement

  -   - 

Exercises and conversions

  -   - 

Outstanding, June 30

  5,021,354   4,490,104 
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]
  

June 30, 2024

 
  

Number of

units

  

Weighted

Average
Grant-Date

Fair value

  

Aggregated

Intrinsic
Value

 
             

Outstanding, December 31, 2023

  314,461  $3.46  $- 

Granted

  311,154   3.20   - 

Vested and settled with share issuance

  (121,960)  (3.28)  - 

Forfeited

  (98,102)  (3.54)  - 

Outstanding, June 30, 2024

  405,553  $3.30  $-