CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE (LOSS) INCOME (UNAUDITED) (USD $)	3 Months Ended
Aug. 31, 2014	Aug. 31, 2013
Net sales	$ 1,034,450	$ 1,013,739
Cost of sales	(724,539)	(753,448)
Gross profit	309,911	260,291
Operating Expenses:
Selling, general and administrative	338,316	342,802
Research and development	195,706	91,257
Total operating expenses	534,022	434,059
Loss from operations	(224,111)	(173,768)
Other Income (Expense):
Dividend and interest income	4,861	6,054
Interest expense	(18)
Total other income	4,843	6,054
Loss before income tax	(219,268)	(167,714)
Provision for income taxes
Net loss	(219,268)	(167,714)
Basic net loss per common share (in Dollars per share)	$ (0.03)	$ (0.02)
Diluted net loss per common share (in Dollars per share)	$ (0.03)	$ (0.02)
Weighted average number of common and Common Equivalent Shares:
Basic (in Shares)	7,547,839	7,280,866
Diluted (in Shares)	7,547,839	7,280,866
Net loss	(219,268)	(167,714)
Other comprehensive loss, net of tax:
Foreign currency translation	(934)	(91)
Comprehensive loss	$ (220,202)	$ (167,805)

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