Note H - Right-of-Use Assets and Lease Liabilities (Details Textual)	3 Months Ended	6 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)
Variable Lease, Cost	$ 11,666
Operating Lease, Weighted Average Remaining Lease Term	1 year 83 days	1 year 83 days
Operating Lease, Weighted Average Discount Rate, Percent	5.50%	5.50%
Operating Lease For Office Equipment [Member]
Lessee, Operating Lease, Term of Contract	5 years 90 days	5 years 90 days
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	3 years 90 days	3 years 90 days
Lessee, Operating Lease, Discount Rate	5.50%	5.50%
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