Note 4 - Property and Equipment (Tables)

3 Months Ended

Jun. 30, 2021

Notes Tables

Property, Plant and Equipment [Table Text Block]

	June 30,			March 31.
	2021			2021
Machinery and equipment	$	199,810		$	199,810
Leasehold improvements		3,750			3,750
		203,560			203,560
Accumulated depreciation and amortization		(189,055	)		(181,289	)
Property and equipment, net	$	14,505		$	22,271