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Significant Customers and Foreign Sales (Tables)

12 Months Ended

Feb. 28, 2017

Segment Reporting [Abstract]

Export sales to customers located outside the United States

		February 28,				February 29,
		2017				2016
Western Europe		$	1,695,000			$	2,643,000
Far East			2,702,000				2,947,000
Middle East			232,000				247,000
South America			208,000				208,000
Mexico			275,000				421,000
Other			249,000				111,000
		$	5,361,000			$	6,577,000

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- 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 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e9038-108599

Reference 2: 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=26872669&loc=d3e20235-122688

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Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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