v3.22.2.2
Equity incentive plan (Details-Fair Value Of Incentive Grants)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Equity Incentive Plan    
Expected dividend yield 0.00% 0.00%
Risk-free interest rate 1.40% 2.20%
Expected life in years 3 years 3 years
Expected volatility 48.20% 28.70%