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Note L - Income Taxes - Reconciliation of the Statutory Tax Rates (Details)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Statutory rate 21.00% 21.00%
State income tax-all states 4.00% 7.00%
Change in fair value of derivative (11.00%) 0.00%
NOL Expiration (22.00%) 0.00%
Other (3.00%) 0.00%
Subtotal (11.00%) 28.00%
Valuation allowance 11.00% (28.00%)
Effective tax rate 0.00% 0.00%