SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

May 31, 2014

Accounting Policies [Abstract]

Schedule of Inventory, Current [Table Text Block]

	2014		2013
Raw materials	$	899,000	$	787,000
Work in progress		635,000		555,000
Finished products		232,000		229,000
Total	$	1,766,000	$	1,571,000

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

	2014	2013
Dividend yield	0%	0%
Expected volatility	48.65-49.85%	70.59-70.70%
Risk free interest rate	0.84-1.155%	0.51-0.53%
Expected life	3.50 years	3.50 years

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

For the Years Ended May 31	2014		2013
Numerator for basic and diluted net (loss) income per common share	$	(215,660)	$	536,957
Denominator for basic net (loss) income per common share		7,370,787		7,024,418
Effect of dilutive securities:
Options		--		426,695
Denominator for diluted net(loss) income per common share		7,370,787		7,451,113
Basic net (loss) income per common share	$	(0.03)	$	0.08
Diluted net (loss) income per common share	$	(0.03)	$	0.07