Note G - Right-of-use Assets and Lease Liabilities (Details Textual) - USD ($)	1 Months Ended			3 Months Ended		6 Months Ended
	May 31, 2021	Jan. 31, 2021	Aug. 31, 2020	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Jun. 30, 2015
Variable Lease, Cost				$ 50,567	$ 50,020	$ 101,135	$ 100,041
Operating Lease, Weighted Average Remaining Lease Term (Year)				2 years 2 months 23 days		2 years 2 months 23 days
Operating Lease, Weighted Average Discount Rate, Percent				3.29%		3.29%
Sublease Income				$ 8,958		$ 17,916
Operating Lease For Office Equipment [Member]
Lessee, Operating Lease, Term of Contract	39 months							63 months
Lessee, Operating Lease, Rent Per Month	$ 547		$ 574
Lessee, Operating Lease, Discount Rate	4.25%		4.25%
Operating Lease for Warehouse [Member]
Lessee, Operating Lease, Term of Contract		64 months
Lessee, Operating Lease, Discount Rate		3.25%
Lessee, Operating Lease, Rent Per Month, First Four Months		$ 0
Lessee, Operating Lease, Rent Per Month, Beginning After Fifth Month		$ 4,792
Lessee, Operating Lease, Minimum Yearly Increase of Rent		2.00%
Lessee, Operating Lease, Maximum Yearly Increase of Rent		5.00%
Operating Lease for Office Space [Member]
Lessee, Operating Lease, Term of Contract		64 months
Lessee, Operating Lease, Discount Rate		3.25%
Lessee, Operating Lease, Rent Per Month, First Four Months		$ 0
Lessee, Operating Lease, Rent Per Month, Beginning After Fifth Month		$ 9,372
Lessee, Operating Lease, Minimum Yearly Increase of Rent		2.00%
Lessee, Operating Lease, Maximum Yearly Increase of Rent		5.00%
Operating Lease, Initial Direct Cost Expense, over Term		$ 114,083