SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

May 31, 2012

Schedule of Inventory, Current [Table Text Block]

		2012		2011
Raw materials	$	896,000	$	737,000
Work in progress		554,000		718,000
Finished products		371,000		331,000
Total	$	1,821,000	$	1,786,000

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

	2012	2011
Dividend yield	0%	0%
Expected volatility	77.76-84.97%	85.97-86.42%
Risk free interest rate	0.63-0.76%	1.87-2.27%
Expected life	3.25-3.75 years	3.75 years

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

For the Years Ended  May 31			2012		2011
Numerator for basic and diluted net income per common share		$	548,435	$	157,447
Denominator for basic net income per common share			6,887,929		6,668,229
Effect of dilutive securities:
	Options and warrants		219,830		36,078
Denominator for diluted net income per common share			7,107,759		6,704,307
Basic net income per common share		$	0.08	$	0.02
Diluted net income per common share		$	0.08	$	0.02