SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)	12 Months Ended
	May 31, 2014	May 31, 2013
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items]
Property, Plant and Equipment, Net	$ 614,337	$ 654,620
Threshold Period Past Due for Write-off of Trade Accounts Receivable	90 days
Inventory Valuation Reserves	43,000	79,000
Depreciation, Depletion and Amortization	177,518	187,325
Amortization of Intangible Assets	29,515	29,383
Revenue Recognition, Sales Returns, Reserve for Sales Returns	0	0
Research and Development Expense	589,866	459,086
Advertising Expense	8,000	6,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares)	860,500	0
Investment in Polish Distributor [Member]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items]
Equity Method Investment, Ownership Percentage	6.00%
New Distributor [Member] | Customer Concentration Risk [Member]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items]
Concentration Risk, Percentage	23.40%
Two Customers [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items]
Concentration Risk, Percentage	60.50%
One Customer [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items]
Concentration Risk, Percentage		14.80%
Domestic Customer [Member]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items]
Accounts Receivable, Initial Credit Limit	500
Marketing-Related Intangible Assets [Member] | Maximum [Member]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items]
Finite-Lived Intangible Asset, Useful Life	18 years
Patents [Member] | Maximum [Member]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items]
Finite-Lived Intangible Asset, Useful Life	17 years
Contract Termination [Member] | Customer Concentration Risk [Member]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items]
Concentration Risk, Percentage		29.70%
Cost of Goods, Product Line [Member] | Credit Availability Concentration Risk [Member]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items]
Concentration Risk, Percentage	30.20%	26.60%
Customer Concentration Risk [Member]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items]
Concentration Risk, Percentage	23.40%	40.50%
MEXICO
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items]
Inventory, Gross	443,000	355,000
Property, Plant and Equipment, Net	$ 43,000	$ 8,000
Minimum [Member]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items]
Property, Plant and Equipment, Useful Life	5 years
Maximum [Member]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items]
Property, Plant and Equipment, Useful Life	10 years