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Note 1 - Organization and Summary of Significant Accounting Policies (Tables)
3 Months Ended
Mar. 31, 2024
Notes Tables  
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

 

As of

 

 

March 31,

 

 

2024

  

2023

 

Unvested restricted stock

  9,898,448   9,000,857 

Options

  4,694,529   4,876,484 

Warrants

  312,272   312,272 

Shares issuable upon note conversion

  21,167   20,136 

Total

  14,926,416   14,209,749