CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) - USD ($) shares in Thousands	3 Months Ended		6 Months Ended
	Nov. 30, 2021	Nov. 30, 2020	Nov. 30, 2021	Nov. 30, 2020
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited)
Net sales,	$ 9,611,000	$ 1,683,000	$ 15,257,000	$ 3,695,000
Cost of sales	5,092,000	1,306,000	8,457,000	3,091,000
Gross profit	4,519,000	377,000	6,800,000	604,000
Operating expenses:
Selling, general and administrative	2,489,000	1,501,000	4,442,000	3,015,000
Research and development	1,313,000	820,000	2,634,000	1,720,000
Total operating expenses	3,802,000	2,321,000	7,076,000	4,735,000
Income (loss) from operations	717,000	(1,944,000)	(276,000)	(4,131,000)
Interest expense, net	(1,000)	(12,000)	(10,000)	(25,000)
Net gains from dissolution of Aehr Test Systems Japan	0	0	0	2,186,000
Gain from forgiveness of PPP loan	0	0	1,698,000	0
Other income (expense), net	35,000	(6,000)	58,000	(100,000)
Income (loss) before income tax (expense) benefit	751,000	(1,962,000)	1,470,000	(2,070,000)
Income tax (expense) benefit	(34,000)	(4,000)	(57,000)	211,000
Net income (loss)	$ 717,000	$ (1,966,000)	$ 1,413,000	$ (1,859,000)
Net income (loss) per share
Basic	$ 0.03	$ (0.08)	$ 0.06	$ (0.08)
Diluted	$ 0.03	$ (0.08)	$ 0.05	$ (0.08)
Shares used in per share calculations:
Basic	26,205	23,396	25,102	23,322
Diluted	28,342	23,396	26,849	23,322