Consolidated Statements of Operations - USD ($) shares in Thousands	12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2020
Consolidated Statements of Operations
Net sales	$ 50,829,000	$ 16,600,000	$ 22,291,000
Cost of sales	27,164,000	10,568,000	13,920,000
Gross profit	23,665,000	6,032,000	8,371,000
Operating expenses:
Selling, general and administrative	10,047,000	6,562,000	7,530,000
Research and development	5,818,000	3,652,000	3,386,000
Restructuring	0	0	220,000
Total operating expenses	15,865,000	10,214,000	11,136,000
Income (loss) from operations	7,800,000	(4,182,000)	(2,765,000)
Interest income (expense), net	13,000	(46,000)	10,000
Net gain from dissolution of Aehr Test Systems Japan	0	(2,186,000)	0
Gain from forgiveness of PPP loan	1,698,000	0	0
Other income (expense), net	30,000	(162,000)	(11,000)
Income (loss) before income tax (expense) benefit	9,541,000	(2,204,000)	(2,766,000)
Income tax (expense) benefit	(91,000)	177,000	(36,000)
Net income (loss)	$ 9,450,000	$ (2,027,000)	$ (2,802,000)
Net income (loss) per share - basic	$ 0.36	$ (0.09)	$ (0.12)
Net income (loss) per share - diluted	$ 0.34	$ (0.09)	$ (0.12)
Shares used in per share calculation - basic	26,014	23,457	22,882
Shares used in per share calculation - diluted	27,774	23,457	22,882