Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Stock-based Compensation - Assumptions (Details)

v3.22.2.2
Note 8 - Stock-based Compensation - Assumptions (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Risk-free interest rate   0.84%    
Dividend yield 0.00% 0.00% 0.00% 0.00%
Expected term (Year)   5 years   5 years
Expected volatility   46.80%    
Minimum [Member]        
Risk-free interest rate 2.85%   1.91% 0.46%
Expected term (Year) 3 years 3 months   3 years 3 months  
Expected volatility 45.90%   45.80% 47.10%
Maximum [Member]        
Risk-free interest rate 2.90%   2.90% 0.92%
Expected term (Year) 6 years   6 years  
Expected volatility 48.10%   48.50% 92.60%