Note 12 - Income Taxes (Tables)

12 Months Ended

Mar. 31, 2023

Notes Tables

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	03/31/2023			3/31/2022
Current:
Federal	$	-		$	-
State	$	(4,190	)	$	(19,818	)
Total	$	(4,190	)	$	(19,818	)
Deferred
Federal		93,383			714,194
State		31,617			241,806
Total	$	125,000		$	956,000
Provision for income taxes	$	120,810		$	936,182

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	03/31/2023			03/31/2023			3/31/2022			3/31/2022
Book income at federal statutory rate, 21%		10,660			21.00	%		(94,100	)		21.00	%
State Capital Taxes		1,580			3.11	%		4,300			-0.96	%
State taxes, net of federal benefit		5,115			10.08	%		-			0.00	%
Permanent Items		4,449			8.76	%		20,482			-4.57	%
PPP Loan Forgiveness								(195,000	)		43.52	%
Prior Year Tax Receivable True-Up		(6,190	)		-12.19	%
Prior Year Deferred Tax Asset/(L) True Up		27,987			55.14	%		-			0.00	%
Valuation Allowance		108,986			214.71	%		1,322,600			-295.17	%
Federal research & development credit generated		(31,776	)		-62.60	%		(122,100	)		27.25	%
		120,810			238.00	%		936,182			-208.93	%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

Deferred tax assets/(liabilities)	03/31/2023			3/31/2022
Federal Net operating loss carryovers		443,074			834,000
New Jersey Net operating loss carryovers		105,699
Federal R&D Credit		328,723			311,000
New Jersey R&D Credit		126,091			115,000
Depreciation & Amortization		137,429			(2,000	)
Allowance For Doubtful Accounts		260,018			190,000
Stock Comp Expense		30,516			-
Gross deferred tax assets		1,431,550			1,448,000
Valuation allowance		(1,431,550	)		(1,323,000	)
Total deferred tax assets		-			125,000