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Geographic Information (Tables)

9 Months Ended

Feb. 28, 2013

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

	Nine Months Ended				Three Months Ended
	February 28,		February 29,		February 28,		February 29,
	2013		2012		2013		2012
Revenues from sales to unaffiliated customers:
United States	$	654,000	$	855,000	$	217,000	$	328,000
Asia		2,503,000		1,814,000		559,000		527,000
Europe		1,810,000		1,835,000		627,000		652,000
South America		5,000		2,000		3,000		--
Middle East		28,000		17,000		10,000		7,000
Other		2,000		16,000		1,000		1,000
	$	5,002,000	$	4,539,000	$	1,417,000	$	1,515,000

- Definition

Tabular disclosure of the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries. An entity may also provide subtotals of geographic information about groups of countries.

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