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INCOME TAXES (Tables)

12 Months Ended

May 31, 2016

Income Tax Disclosure [Abstract]

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

	2016			2015
Current:
U.S. Federal	$	-		$	-
State and local		(800)			17,024
Total current		(800)			17,024
Deferred:
U.S. Federal		(579,414)			267,418
State and local		(123,586)			30,582
Total deferred		(703,000)			298,000
Income tax (expense) benefit	$	(703,800)		$	315,024

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

Years ended May 31,	2016			2015
Computed "expected" tax benefit	$	274,479		$	226,024
Increase (reduction) in income taxes resulting from:
Change in valuation allowance		(1,038,000)			--
State income taxes, net of federal benefit		34,276			27,000
Research and development tax credits		21,844			63,000
Permanent tax differences and other		3,601			(1,000)
Income tax (expense) (benefit)	$	(703,800)		$	315,024

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

Years ended May 31,	2016			2015
Deferred tax assets:
Accounts receivable, principally due to allowance for doubtful accounts and sales returns	$	3,000		$	7,000
Inventory valuation		11,000			9,000
Compensated absences and deferred payroll		60,000			45,000
Net operating loss carryforwards		705,000			484,000
Tax credit carryforwards		268,000			239,000
Deferred rent expense		3,000			13,000
Other		82,000			56,000
Total deferred tax assets		1,132,000			853,000
Less valuation allowance		(1,038,000)			--
Deferred Tax Asset Net		94,000			853,000
Deferred tax liabilities:
Accumulated depreciation of property and equipment		(53,000)			(109,000)
Net deferred tax asset	$	41,000		$	744,000

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- Definition

Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32639-109319

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- Definition

Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32537-109319

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- Definition

Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32687-109319

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