Annual report pursuant to Section 13 and 15(d)

Note 8 - Income Taxes - Reconciliations of Effective Income Tax Rate to Federal Statutory Rate (Details)

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Note 8 - Income Taxes - Reconciliations of Effective Income Tax Rate to Federal Statutory Rate (Details)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income tax expense at the statutory rate 21.00% 21.00%
State and local income tax expense 5.10% 2.00%
Foreign income tax 0.20% 2.00%
Permanent differences (8.40%) (5.80%)
Decrease in valuation allowance (149.20%) (7.90%)
Other adjustments 1.50% (0.60%)
Effective income tax rate (129.80%) 10.70%