Equipment and Leasehold Improvements (Tables)

12 Months Ended

Mar. 31, 2022

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

Equipment and leasehold improvements consist of the following:

	March 31,
	2022			2021
Leasehold improvements	$	127,655		$	127,655
Machinery and equipment		1,906,983			1,924,902
Automobiles		23,712			23,712
Sales equipment		595,475			595,475
Assets under finance leases		637,189			637,189
Less: Accumulated depreciation & amortization		(3,175,676	)		(3,108,164	)
	$	115,338		$	200,769