v3.22.2.2
Note 5 - Loss Per Share (Tables)
6 Months Ended
Jun. 30, 2022
Notes Tables  
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
  

Three Months Ended
June 30,

  

Six Months Ended

June 30,

 
  

2022

  

2021

  

2022

  

2021

 

Shares issuable upon exercise of stock options

  192,898   146,698   192,898   146,698 

Shares issuable upon exercise of warrants to purchase common stock

  13,883,732   13,883,732   13,883,732   13,883,732 

Shares contingently issuable for earnout

  1,000,000   1,000,000   1,000,000   1,000,000 
   15,076,630   15,030,430   15,076,630   15,030,430