Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	May 31, 2014	May 31, 2013	May 31, 2012
Consolidated Statements Of Operations
Net sales	$ 19,684	$ 16,488	$ 15,521
Cost of sales	9,462	9,712	9,314
Gross profit	10,222	6,776	6,207
Operating expenses:
Selling, general and administrative	6,323	6,872	6,526
Research and development	3,402	3,211	4,188
Total operating expenses	9,725	10,083	10,714
Income (loss) from operations	497	(3,307)	(4,507)
Interest expense	(26)	(49)	(4)
Gain on sale of long-term investment	0	0	990
Other (expense) income, net	(64)	(33)	117
Income (loss) before income tax benefit (expense)	407	(3,389)	(3,404)
Income tax benefit (expense)	15	(30)	15
Net income (loss)	422	(3,419)	(3,389)
Less: Net income attributable to the noncontrolling interest	0	0	1
Net income (loss) attributable to Aehr Test Systems Common shareholders	$ 422	$ (3,419)	$ (3,390)
Net income (loss) per share - basic and diluted	$ 0.04	$ (0.36)	$ (0.38)
Shares used in per share calculation - basic	10,877	9,549	9,016
Shares used in per share calculation - diluted	11,889	9,549	9,016