Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Stock-based Compensation - Assumptions (Details)

v3.22.2.2
Note 7 - Stock-based Compensation - Assumptions (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dividend yield 0.00% 0.00% 0.00%
Expected term (Year) 5 years   5 years
Minimum [Member]      
Risk-free interest rate 0.77% 1.91% 0.46%
Expected term (Year)   5 years 9 months  
Expected volatility 47.10% 45.80% 47.10%
Maximum [Member]      
Risk-free interest rate 0.87% 2.41% 0.92%
Expected term (Year)   6 years  
Expected volatility 47.70% 46.10% 92.60%