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Note K - Equipment and Leasehold Improvements - Summary of Equipment and Leasehold Improvements (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Property, plant, and equipment, gross $ 1,011,019 $ 867,813
Less accumulated depreciation and amortization (929,226) (772,304)
Total 81,793 95,509
Equipment [Member]    
Property, plant, and equipment, gross 789,760 648,286
Furniture and Fixtures [Member]    
Property, plant, and equipment, gross 164,079 164,079
Software Development [Member]    
Property, plant, and equipment, gross 32,045 32,045
Leasehold Improvements [Member]    
Property, plant, and equipment, gross $ 25,135 $ 23,403