Note E - Leases - Maturities of Operating and Finance Lease (Details) - USD ($)	Jun. 30, 2020	Apr. 01, 2019
Operating lease, Fiscal 2021	$ 37,152
Finance lease, Fiscal 2021	81,666
Operating lease, Fiscal 2022	4,128
Finance lease, Fiscal 2022	108,888
Operating lease, Fiscal 2023
Finance lease, Fiscal 2023	108,888
Operating lease, Fiscal 2024
Finance lease, Fiscal 2024	108,888
Operating lease, Fiscal 2025
Finance lease, Fiscal 2025	54,444
Operating lease, Total undiscounted lease payments	41,280
Finance lease, Total undiscounted lease payments	462,774
Operating lease, Less: imputed interest	(1,294)
Finance lease, Less: imputed interest	(18,798)
Present value of lease liability, operating lease		$ 63,000
Present value of lease liability, finance lease	443,976
Accrued Expense and Other Noncurrent Liabilities [Member]
Present value of lease liability, operating lease	$ 39,986	$ 63,000