Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Nov. 30, 2015	Nov. 30, 2014	Nov. 30, 2015	Nov. 30, 2014
Income Statement [Abstract]
Net sales	$ 4,620	$ 2,615	$ 11,253	$ 6,173
Cost of sales	2,929	1,921	6,179	3,869
Gross profit	1,691	694	5,074	2,304
Operating expenses:
Selling, general and administrative	1,713	1,736	3,558	3,360
Research and development	923	1,105	1,985	2,064
Total operating expenses	2,636	2,841	5,543	5,424
Loss from operations	(945)	(2,147)	(469)	(3,120)
Interest expense	(137)	(8)	(272)	(22)
Other income, net	55	60	31	91
Loss before income tax (expense) benefit	(1,027)	(2,095)	(710)	(3,051)
Income tax (expense) benefit	(21)	(19)	(44)	30
Net Loss	(1,048)	(2,114)	(754)	(3,021)
Less: Net income attributable to the noncontrolling interest	0	0	0	0
Net loss attributable to Aehr Test Systems common shareholders	$ (1,048)	$ (2,114)	$ (754)	$ (3,021)
Net loss per share - basic and diluted	$ (0.08)	$ (0.18)	$ (0.06)	$ (0.26)
Shares used in per share calculations - Basic and Diluted (in thousands)	13,048	11,724	13,005	11,557