Note H - Equipment and Leasehold Improvements - Summary of Equipment and Leasehold Improvements (Details) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Property, plant, and equipment, gross	$ 839,060	$ 787,000
Less accumulated depreciation and amortization	(690,452)	(605,835)
Total	148,608	181,165
Equipment [Member]
Property, plant, and equipment, gross	619,533	567,473
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	$ 23,403	$ 23,403

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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