Note E - Leases - Lease Cost (Details) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Finance lease – amortization of ROU asset	$ 25,243	$ 8,644	$ 75,364	$ 8,644
Finance lease – interest on lease liability	1,981	2,463	6,306	2,463
Operating lease expense	14,634	8,184	41,652	24,552
Lease, Cost, Total	$ 41,858	$ 19,291	$ 123,322	$ 35,659