Equipment and Leasehold Improvements

12 Months Ended

Mar. 31, 2023

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment Disclosure [Text Block]

7. Equipment and Leasehold Improvements

Equipment and leasehold improvements consist of the following:

	March 31,
	2023			2022
Leasehold improvements	$	127,655		$	127,655
Machinery and equipment		1,918,717			1,906,983
Automobiles		23,712			23,712
Sales equipment		609,875			595,475
Assets under finance leases		637,189			637,189
Less: Accumulated depreciation & amortization		(3,231,981	)		(3,175,676	)
	$	85,167		$	115,338

Depreciation and amortization expense related to the assets above for the years ended March 31, 2023, and 2022 was $56,304 and $95,904, respectively.