v3.22.2.2
Note 8 - Stockholders' Equity (Tables)
3 Months Ended
Mar. 31, 2022
Notes Tables  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
      

 

  

Weighted Average

 
      

Weighted Average

  

Remaining

 

Warrants

 

Shares

  

Exercise Price

  

Contractual Life (Years)

 

Outstanding as of December 31, 2021

  1,192,085  $3.57   3.75 

Issued

  -   -   - 
Expired  -   -   - 

Outstanding as of March 31, 2022

  1,192,085  $3.57   3.50 
             

Exercisable as of March 31, 2022

  1,192,085  $3.57   3.50