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Geographic Information (Tables)

6 Months Ended

Nov. 30, 2012

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

		Six Months Ended					Three Months Ended
		November 30,					November 30,
		2012		2011			2012		2011
Revenues from sales to unaffiliated customers:
United States	$	437,000	$	527,000		$	157,000	$	340,000
Asia		1,944,000		1,287,000			1,042,000		657,000
Europe		1,183,000		1,184,000			675,000		602,000
South America		2,000		1,000			2,000		--
Middle East		18,000		10,000			7,000		6,000
Other		2,000		15,000			1,000		12,000
	$	3,586,000	$	3,024,000		$	1,884,000	$	1,617,000

X

- 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 38

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 41

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599

+ Details

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