BUSINESS SEGMENTS (Tables)

12 Months Ended

May 31, 2014

Segment Reporting [Abstract]

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

		2014		2013
Net sales:
	Europe	$	2,450,000	$	2,840,000
	United States		1,256,000		822,000
	Asia		1,300,000		2,770,000
	South America		19,000		7,000
	Middle East		76,000		31,000
	Other foreign		19,000		3,000
	Total net sales	$	5,120,000	$	6,473,000