v3.26.1
Note 2 - Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2026
Notes Tables  
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
  

June 30,

 
  

2026

  

2025

 

Stock options

  673,838   663,453 

Common Stock warrants

  8,986,823   9,536,222 

Unvested Restricted Stock awards

  32,895    

Common Stock issuable upon conversion of Anson Notes

     3,716,836 

Totals

  9,693,556   13,916,511