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GEOGRAPHIC INFORMATION (Tables)

12 Months Ended

May 31, 2019

Geographic Information Disclosure [Abstract]

Revenue from External Customers by Geographic Areas [Table Text Block]

Years ended May 31,	2019			2018
Net sales:
Europe	$	1,694,000		$	2,023,000
United States		523,000			685,000
Asia		2,514,000			2,506,000
South America		256,000			214,000
Middle East		214,000			132,000
Other foreign		--			4,000
Total net sales	$	5,201,000		$	5,564,000

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- References

No definition available.

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- Definition

Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph a
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e9038-108599

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