INCOME TAXES (Detail) - Income Tax Rate Reconcilliation (USD $)	12 Months Ended
	May 31, 2012	May 31, 2011
Computed "expected" tax expense (benefit)	$ 215,000	$ 56,000
Increase (reduction) in income taxes resulting from:
True up of carry forwards and other items	30,000	(53,001)
Change in valuation allowance		11,000
State income taxes, net of federal benefit	36,000	9,000
Utilization of NOL carry forward	(219,000)
Research and development tax credits	(4,000)	(31,000)
Permanent tax differences and other	7,014	10,000
Income tax benefit from continuing operations	$ 65,014	$ 1,999