Note E - Leases - Balance Sheet Information (Details) - USD ($)	Dec. 31, 2019	Apr. 01, 2019	Mar. 31, 2019
Operating lease right-of-use asset	$ 41,557	$ 63,000
Finance lease right-of-use asset	509,972
Total right-of-use assets	551,529
Operating lease liability, current	30,802
Finance lease liability, current	100,244
Operating lease liability, non-current	10,755
Finance lease liability, non-current	393,612
Total lease liabilities	$ 535,413