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Note 11 - Stockholders' Equity (Tables)
9 Months Ended 12 Months Ended
Sep. 30, 2023
Dec. 31, 2022
Notes Tables    
Schedule of Stock by Class [Table Text Block]
  

Authorized

Shares (prior to

Merger)

  

Issued and

Outstanding

Shares (as of

December 31,

2021)

 

Series A preferred stock

  4,723,330   2,547,330 

Series B preferred stock

  3,117,915   1,392,131 

Series B-1 preferred stock

  899,153   672,524 

Total preferred stock

  8,740,398   4,611,985 
  

Authorized Shares (prior to Merger)

  

Issued and Outstanding Shares (as of December 31, 2021)

 

Series A preferred stock

  4,723,330   2,547,330 

Series B preferred stock

  3,117,915   1,392,131 

Series B-1 preferred stock

  899,153   672,524 

Total preferred stock

  8,740,398   4,611,985