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Note J - Equipment and Leasehold Improvements - Summary of Equipment and Leasehold Improvements (Details) - USD ($)
Dec. 31, 2022
Dec. 31, 2021
Property, plant, and equipment, gross $ 1,135,082 $ 1,053,043
Less accumulated depreciation and amortization (1,027,669) (983,875)
Total 107,413 69,168
Equipment [Member]    
Property, plant, and equipment, gross 825,058 831,784
Furniture and Fixtures [Member]    
Property, plant, and equipment, gross 225,978 164,079
Software Development [Member]    
Property, plant, and equipment, gross 49,143 32,045
Leasehold Improvements [Member]    
Property, plant, and equipment, gross $ 34,903 $ 25,135