Equipment and Leasehold Improvements (Details) - Property, Plant and Equipment - USD ($)	Mar. 31, 2023	Mar. 31, 2022
Property, Plant and Equipment [Line Items]
Less: Accumulated depreciation & amortization	$ (3,231,981)	$ (3,175,676)
Property and equipment, net	85,167	115,338
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	1,918,717	1,906,983
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	609,875	595,475
Assets Held under Capital Leases [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 637,189	$ 637,189