Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Stock-based Compensation (Tables)

v3.22.2.2
Note 7 - Stock-based Compensation (Tables)
6 Months Ended
Jun. 30, 2022
Notes Tables  
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
   

Three months ended June 30,

    Six Months ended June 30,  
   

2022

   

2021

   

2022

   

2021

 

Risk-free interest rate

    n/a     0.77% - 0.87%     1.91% - 2.41%     0.46% - 0.92%  

Dividend yield

    n/a       0%         0%         0%    

Expected term (years)

    n/a       5.00       5.75 - 6.00       5.00    

Expected volatility

    n/a     47.1% - 47.7%     45.8% - 46.1%     47.1% - 92.6%