Equipment and Leasehold Improvements (Details) - Property, Plant and Equipment - USD ($)	Mar. 31, 2024	Mar. 31, 2023
Property, Plant and Equipment [Line Items]
Less: Accumulated depreciation & amortization	$ (3,237,557)	$ (3,231,981)
Property and equipment, net	73,195	85,167
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	127,655	127,655
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,931,831	1,918,717
Automobiles [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	23,712	23,712
Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	590,365	609,875
Assets Held under Capital Leases [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 637,189	$ 637,189