7. FEDERAL INCOME TAXES (Details) (USD $)	12 Months Ended
	May 31, 2014	May 31, 2013
Income Tax Disclosure [Abstract]
Net operating loss carryforward	$ 1,936,834	$ 1,965,370
Depreciation and amortization, financial reporting in excess of tax	219,838	443,177
Deferred compensation accrual	0	244,800
Stock compensation costs	36,328	18,164
Allowance for doubtful accounts	17,000	34,000
Gross Deferred Tax Asset	2,210,000	2,705,511
Valuation allowance	0	(1,546,511)
Net Deferred Tax Asset	$ 2,210,000	$ 1,159,000