Equipment and Leasehold Improvements - Property, Plant and Equipment (Details) - USD ($)	Dec. 31, 2024	Mar. 31, 2024
Property, Plant and Equipment [Line Items]
Less: Accumulated depreciation & amortization	$ (3,262,913)	$ (3,237,557)
Property and equipment, net	47,839	73,195
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	1,931,831
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	590,365
Assets Held under Capital Leases [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 637,189	$ 637,189