CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS EQUITY - USD ($)	Total	Common Stock	Total Aehr Test Systems Shareholders Equity	Additional Paid-In Capital	Accumulated Other Comprehensive Income (loss)	Accumulated Deficit	Noncontrolling Interest
Balance, shares at May. 31, 2020		23,107
Balance, amount at May. 31, 2020	$ 14,056,000	$ 231,000	$ 14,077,000	$ 85,898,000	$ 2,234,000	$ (74,286,000)	$ (21,000)
Issuance of common stock under employee plans, shares		184
Issuance of common stock under employee plans, amount	190,000	$ 2,000	190,000	188,000	0	0	0
Stock-based compensation	270,000	0	270,000	270,000	0	0	0
Net income	107,000	0	107,000	0	0	107,000	0
Foreign currency translation adjustment	99,000	0	100,000	0	100,000	0	(1,000)
Reclassification of cumulative translation adjustment as a result of dissolution of Aehr Test Systems Japan	2,401,000	$ 0	(2,423,000)	0	(2,401,000)	(22,000)	22,000
Balance, shares at Aug. 31, 2020		23,291
Balance, amount at Aug. 31, 2020	12,321,000	$ 233,000	12,321,000	86,356,000	(67,000)	(74,201,000)	0
Balance, shares at May. 31, 2021		23,725
Balance, amount at May. 31, 2021	11,449,000	$ 237,000	11,449,000	87,553,000	(28,000)	(76,313,000)	0
Issuance of common stock under employee plans, shares		758
Issuance of common stock under employee plans, amount	1,535,000	$ 8,000	1,535,000	1,527,000	0	0	0
Stock-based compensation	588,000	0	588,000	588,000	0	0	0
Net income	696,000	0	696,000	0	0	696,000	0
Foreign currency translation adjustment	(36,000)	$ 0	(36,000)	0	(36,000)	0	0
Reclassification of cumulative translation adjustment as a result of dissolution of Aehr Test Systems Japan	0
Balance, shares at Aug. 31, 2021		24,483
Balance, amount at Aug. 31, 2021	$ 14,232,000	$ 245,000	$ 14,232,000	$ 89,668,000	$ (64,000)	$ (75,617,000)	$ 0