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Note 6 - Income Taxes - Reconciliation of Effective Income Tax Rate (Details)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Federal statutory rate 21.00% 21.00%
State tax, net of federal benefit (0.10%) 3.80%
Deferred correction – State NOLs (359.70%) (122.70%)
Permanent differences 2.30%
Valuation allowance increase 360.40% (3.90%)
Other, net (24.00%) 4.30%
Effective income tax rate (97.60%)