7. Income Taxes (Tables)

12 Months Ended

Mar. 31, 2019

Income Tax Disclosure [Abstract]

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

Income tax benefit:

	Fiscal Year Ended
	March 31,		March 31,
	2019		2018
Current:
Federal	$	-	$	-
State and local		-		1,500
Total current tax provision		-		1,500
Deferred:
Federal		-		(65,000	)
State and local		-		-
Total deferred tax benefit		-		(65,000	)
Total provision	$	-0-	$	(63,500	)

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

The approximate values of the components of the Company’s deferred taxes at March 31, 2019 and 2018 are as follows:

	March 31,			March 31,
	2019			2018
Deferred tax assets:
Net operating loss carryforwards	$	1,345,245		$	1,482,880
Tax credits		329,032			329,032
Charitable contributions		116			85
Legal damages		1,117,904			1,070,763
Allowance for doubtful accounts		1,576			1,587
Reserve for inventory obsolescence		104,626			88,878
Inventory capitalization		70,633			100,604
Vacation accrual		68,416			73,403
Warranty reserve		24,794			23,697
Deferred revenues		76,009			84,165
Stock options		15,687			15,801
Non-compete agreement		-			1,306
AMT credit		63,500			63,500
Depreciation		5,070			5,533
Deferred tax asset		3,222,608			3,341,234
Less valuation allowance		(3,159,108	)		(3,277,734,	)
Deferred tax asset, net	$	63,500		$	63,500

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

A reconciliation of the income tax (benefit) provision at the statutory Federal tax rate of 21% and 31.55% for the years ended March 31, 2019 and 2018, respectively, to the income tax (benefit) provision recognized in the financial statements is as follows:

	March 31,			March 31,
	2019			2018
Income tax (benefit) provision  – statutory rate	$	42,638		$	(1,383,723	)
Income tax expenses – state and local, net of federal benefit		1,027			(6,190	)
Permanent items		32,031			11,133
Change in value of warrants – permanent difference		9,135			(29,973	)
True-up of prior year’s deferred taxes		15,386			(10,228	)
Valuation allowance		(118,625	)		(349,875	)
Rate changes		3,102			1,697,766
Other		15,306			7,590
Income tax provision (benefit)	$	-0-		$	(63,500	)