Annual report pursuant to Section 13 and 15(d)

Note 14 - Income Taxes - Provision for Income Taxes Computed at Federal Statutory Rate (Details)

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Note 14 - Income Taxes - Provision for Income Taxes Computed at Federal Statutory Rate (Details)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income tax benefit at statutory rate (21.00%) (21.00%)
State income taxes, net of federal benefit (3.00%) (4.00%)
Change in valuation allowance 20.00% (39.00%)
Debt restructuring 0.00% 6.00%
Limitation on net operating loss and credit carryovers 0.00% 56.00%
Other 4.00% 2.00%
Effective tax rate 0.00% 0.00%