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Note G - Equipment and Leasehold Improvements - Summary of Equipment and Leasehold Improvements (Details) - USD ($)
Dec. 31, 2017
Dec. 31, 2016
Property, plant, and equipment, gross $ 787,000 $ 620,940
Less accumulated depreciation and amortization (605,835) (553,126)
Total 181,165 67,814
Equipment [Member]    
Property, plant, and equipment, gross 567,473 403,425
Furniture and Fixtures [Member]    
Property, plant, and equipment, gross 164,079 162,067
Software Development [Member]    
Property, plant, and equipment, gross 32,045 32,045
Leasehold Improvements [Member]    
Property, plant, and equipment, gross $ 23,403 $ 23,403