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Note 13 - Capital Stock (Tables)
3 Months Ended
Mar. 31, 2024
Notes Tables  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
           

Number of Shares Issuable

 
           

March 31,

  

December 31,

 

Date Exercisable

 

Exercise Price

 

Expiration

   

Classification

 

2024

  

2023

 

December 2020

 $11.50 

December 2025

 

(1)

 

Equity

  2,407,500   2,407,500 

December 2020

 $11.50 

December 2025

 

(2)

 

Equity

  24,583   24,583 

June 2023

 $0.80 

June 2028

 

(3)

 

Liability

  3,000,000   3,000,000 

June 2023

 $1.10 

June 2026

 

(4)

 

Liability

  50,000,000   50,000,000 

June 2023

 $1.50 

June 2030

 

(5)

 

Equity

  50,000,000   50,000,000 

Total

           105,432,083   105,432,083