Note H - Right-of-use Assets and Lease Liabilities (Details Textual) - USD ($)	1 Months Ended				3 Months Ended		6 Months Ended
	Jan. 31, 2021	Aug. 31, 2020	Feb. 28, 2018	Jun. 30, 2015	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Variable Lease, Cost					$ 50,020	$ 8,386	$ 100,041	$ 22,516
Operating Lease, Weighted Average Remaining Lease Term (Year)					4 years 2 months 26 days		4 years 2 months 26 days
Operating Lease, Weighted Average Discount Rate, Percent					3.29%		3.29%
Operating Lease For Office Equipment [Member]
Lessee, Operating Lease, Term of Contract (Month)				63 months
Lessee, Operating Lease, Rent Per Month				$ 1,079
Lessee, Operating Lease, Maximum Yearly Increase of Rent				3.00%
Lessee, Operating Lease, Discount Rate					5.50%		5.50%
Operating Lease for Warehouse [Member]
Lessee, Operating Lease, Term of Contract (Month)	64 months		39 months
Lessee, Operating Lease, Maximum Yearly Increase of Rent	5.00%
Lessee, Operating Lease, Discount Rate	3.25%		5.50%
Lessee, Operating Lease, Rent Per Month, First Three Months			$ 0
Lessee, Operating Lease, Rent Per Month, Following 12 Months			2,936
Lessee, Operating Lease, Rent Per Month, Following 8 Months			3,024
Lessee, Operating Lease, Rent Per Month, Following 4 Months			3,019
Lessee, Operating Lease, Rent Per Month, Last 12 Months			$ 3,109
Lessee, Operating Lease, Rent Per Month, First Four Months	$ 0
Lessee, Operating Lease, Rent Per Month, Beginning 5th Month	$ 4,792.50
Lessee, Operating Lease, Minimum Yearly Increase of Rent	2.00%
Operating Lease for Certain Office Equipment [Member]
Lessee, Operating Lease, Term of Contract (Month)		63 months
Lessee, Operating Lease, Rent Per Month		$ 574
Lessee, Operating Lease, Discount Rate		4.25%
Operating Lease for Office Space [Member]
Lessee, Operating Lease, Term of Contract (Month)	64 months
Lessee, Operating Lease, Maximum Yearly Increase of Rent	5.00%
Lessee, Operating Lease, Discount Rate	3.25%
Lessee, Operating Lease, Rent Per Month, First Four Months	$ 0
Lessee, Operating Lease, Rent Per Month, Beginning 5th Month	$ 9,372
Lessee, Operating Lease, Minimum Yearly Increase of Rent	2.00%
Operating Lease, Initial Direct Cost Expense, over Term	$ 114,083