CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	May 31, 2023	May 31, 2022	May 31, 2021
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Net sales	$ 64,961	$ 50,829	$ 16,600
Cost of sales	32,215	27,164	10,568
Gross profit	32,746	23,665	6,032
Operating expenses:
Selling, general and administrative	12,237	10,047	6,562
Research and development	7,134	5,818	3,652
Total operating expenses	19,371	15,865	10,214
Income (loss) from operations	13,375	7,800	(4,182)
Interest income (expense), net	1,245	13	(46)
Net gain from dissolution of Aehr Test Systems Japan	0	0	2,186
Gain from forgiveness of PPP loan	0	1,698	0
Other (expense) income, net	(3)	30	(162)
Income (loss) before income tax (expense) benefit	14,617	9,541	(2,204)
Income tax (expense) benefit	(60)	(91)	177
Net income (loss)	$ 14,557	$ 9,450	$ (2,027)
Earnings (net loss) per share - basic	$ 0.52	$ 0.36	$ (0.09)
Earnings (net loss) per share - diluted	$ 0.50	$ 0.34	$ (0.09)
Shares used in per share calculation - basic	27,785	26,014	23,457
Shares used in per share calculation - diluted	29,215	27,774	23,457