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Note 10 - Income Taxes - Effect Income Tax Rate Reconciliation (Details)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Federal tax benefit at statutory rate 21.00% 21.00%
Change in valuation allowance (21.00%) (12.00%)
Section 382 limitation 0.00% 0.00%
Other non-deductible expenses (1.00%) (1.00%)
Stock based compensation (8.00%)
Other 1.00% 0.00%
Total 0.00% 0.00%