XML 40 R28.htm IDEA: XBRL DOCUMENT v3.25.1
Note 8 - Long-term Debt (Tables)
3 Months Ended
Mar. 31, 2025
Notes Tables  
Schedule of Debt [Table Text Block]
  

March 31,

  

December 31,

 
  

2025

  

2024

 

Senior promissory notes

 $6,000,000  $6,000,000 

Less: unamortized debt discount

  (748,407)  (696,437)

Total senior promissory notes payable, net

 $5,251,593  $5,303,563 
         

Current portion of senior promissory notes payable

  -   - 

Senior promissory notes payable, less current portion

  5,251,593   5,303,563 

Total senior promissory notes payable, net

 $5,251,593  $5,303,563