Note E - Leases - Maturities of Operating and Finance Lease (Details) - USD ($)	Sep. 30, 2020	Apr. 01, 2019
Operating lease, Fiscal 2021	$ 29,268
Finance lease, Fiscal 2021	54,444
Operating lease, Fiscal 2022	4,878
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	34,146
Finance lease, Total undiscounted lease payments	435,552
Operating lease, Less: imputed interest	(783)
Finance lease, Less: imputed interest	(16,697)
Present value of lease liability, operating lease		$ 63,000
Present value of lease liability, finance lease	418,855
Accrued Expense and Other Noncurrent Liabilities [Member]
Present value of lease liability, operating lease	$ 33,363	$ 63,000