XML 76 R64.htm IDEA: XBRL DOCUMENT v3.20.4
Note 10 - Income Tax - Income Tax Rate Reconciliation (Details)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Computed “expected” tax rate 21.00% 21.00% 21.00%
State taxes, net of federal tax benefit 4.20% 1.80% 2.80%
Meals and entertainment 0.10% 0.20% 0.20%
Tax credits (7.20%) (6.20%) (1.90%)
Non-deductible ISO stock option expense 0.00% 0.00% 0.10%
Unrecognized tax benefits 0.00% (0.70%) 0.00%
Excess tax benefits on equity awards (1.20%) (0.70%) (1.30%)
Excess compensation 0.80% 0.60% 0.80%
Other 0.20% 0.40% 0.50%
Change in valuation allowance 0.00% 0.10% 0.00%
Effective tax rate 17.90% 16.50% 22.20%