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Note 9 - Long-term Debt (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Convertible Debt [Table Text Block]
  

December 31,

2022

  

December 31,

2021

 

Convertible Note

 $-   16,800,000 

Less: unamortized debt issuance costs

  -   (2,213,064

)

Convertible Note payable

 $-  $14,586,936 
         

Current portion of Convertible Note payable

  -   8,400,000 

Convertible Note payable, less current portion

  -   6,186,936 

Convertible Note payable

 $-  $14,586,936 
Schedule of Debt [Table Text Block]
  

December 31,

2022

  

December 31,

2021

 

Senior Promissory Notes

 $6,000,000   - 

Less: unamortized debt discount

  (519,686

)

  - 

Senior Promissory Notes payable

 $5,480,314  $- 
         

Current portion of Senior Promissory Notes payable

  -   - 

Senior Promissory Notes payable, less current portion

  5,480,314   - 

Senior Promissory Notes payable

 $5,480,314  $-