Note 4 - Leases (Tables)

12 Months Ended

Mar. 31, 2021

Notes Tables

Lease, Cost [Table Text Block]

	Twelve Months		Twelve Months
	Ended March 31,		Ended March 31,
	2021		2020
Finance lease – amortization of ROU asset	$	100,728	$	49,640
Finance lease – interest on lease liability		8,164		4,806
Operating lease expense		56,286		36,936
	$	165,178	$	91,382

Schedule of Balance Sheet Information Related to Operating Leases [Table Text Block]

	March 31, 2021		March 31, 2020		Balance Sheet Classification
Assets
Operating lease right-of-use asset	$	4,850	$	51,535	Other assets
Finance lease right-of-use asset		481,880		507,812	Property, plant & equipment
Total right-of-use assets	$	486,730	$	559,347
Liabilities
Operating lease liability, current	$	4,850	$	47,431	Accrued expenses
Finance lease liability, current		102,689		100,728	Current portion of financing lease
Operating lease liability, non-current		—		4,104	Other non-current liabilities
Finance lease liability, non-current		265,557		368,248	Other non-current liabilities
Total lease liabilities	$	373,096	$	520,511

Operating and Finance Lease, Liability, Maturity [Table Text Block]

	Operating			Finance
	Leases			Leases
Fiscal 2022		4,878			108,892
Fiscal 2023		—			108,892
Fiscal 2024		—			108,892
Fiscal 2025		—			54,445
Fiscal 2026		—			—
Total undiscounted lease payments	$	4,878		$	381,121
Less: imputed interest		(28	)		(12,875	)
Present value of lease liability	$	4,850		$	368,246