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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

May. 31, 2015

Accounting Policies [Abstract]

Schedule of Inventory, Current [Table Text Block]

	2015			2014
Raw materials	$	958,000		$	899,000
Work in progress		831,000			635,000
Finished products		238,000			232,000
Total	$	2,027,000		$	1,766,000

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	2015		2014
Dividend yield	0%		0%
Expected volatility	49.53-62.68%		48.65-49.85%
Risk free interest rate	1.26-1.67%		0.84-1.155%
Expected life	3.75-6.0 years		3.50 years

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

For the Years Ended May 31	2015			2014
Numerator for basic and diluted net loss per common share	$	(331,410)		$	(215,660)
Denominator for basic net loss per common share		7,552,262			7,370,787
Effect of dilutive securities:
Options		--			--
Denominator for diluted net loss per common share		7,552,262			7,370,787
Basic net loss per common share	$	(0.04)		$	(0.03)
Diluted net loss per common share	$	(0.04)		$	(0.03)

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Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

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