Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income	Accumulated Deficit	Total Aehr Test Systems Shareholders' Equity	Noncontrolling Interest	Total
Beginning balance, shares (in thousands) at May. 31, 2019	22,669
Beginning balance, amount at May. 31, 2019	$ 227	$ 84,499	$ 2,230	$ (71,484)	$ 15,472	$ (19)	$ 15,453
Issuance of common stock under employee plans, shares (in thousands)	346
Issuance of common stock under employee plans, amount	$ 3	420			423		423
Stock-based compensation		611			611		611
Net (loss) income				83	83		83
Foreign currency translation adjustment			(14)		(14)	(1)	(15)
Reclassification of cumulative translation adjustment as a result of dissolution of Aehr Test Systems Japan							0
Ending balance, shares (in thousands) at Feb. 29, 2020	23,015
Ending balance, amount at Feb. 29, 2020	$ 230	85,530	2,216	(71,401)	16,575	(20)	16,555
Beginning balance, shares (in thousands) at Nov. 30, 2019	22,914
Beginning balance, amount at Nov. 30, 2019	$ 229	85,194	2,211	(71,646)	15,988	(20)	15,968
Issuance of common stock under employee plans, shares (in thousands)	101
Issuance of common stock under employee plans, amount	$ 1	129			130		130
Stock-based compensation		207			207		207
Net (loss) income				245	245		245
Foreign currency translation adjustment			5		5		5
Reclassification of cumulative translation adjustment as a result of dissolution of Aehr Test Systems Japan							0
Ending balance, shares (in thousands) at Feb. 29, 2020	23,015
Ending balance, amount at Feb. 29, 2020	$ 230	85,530	2,216	(71,401)	16,575	(20)	16,555
Beginning balance, shares (in thousands) at May. 31, 2020	23,107
Beginning balance, amount at May. 31, 2020	$ 231	85,898	2,234	(74,286)	14,077	(21)	14,056	[1]
Issuance of common stock under employee plans, shares (in thousands)	491
Issuance of common stock under employee plans, amount	$ 5	478			483		483
Stock-based compensation		798			798		798
Net (loss) income				(2,594)	(2,594)		(2,594)
Foreign currency translation adjustment			144		144	(1)	143
Reclassification of cumulative translation adjustment as a result of dissolution of Aehr Test Systems Japan			(2,423)		(2,423)	22	(2,401)
Ending balance, shares (in thousands) at Feb. 28, 2021	23,598
Ending balance, amount at Feb. 28, 2021	$ 236	87,174	(45)	(76,880)	10,485	0	10,485
Beginning balance, shares (in thousands) at Nov. 30, 2020	23,487
Beginning balance, amount at Nov. 30, 2020	$ 235	86,786	(62)	(76,167)	10,792	0	10,792
Issuance of common stock under employee plans, shares (in thousands)	111
Issuance of common stock under employee plans, amount	$ 1	117			118		118
Stock-based compensation		271			271		271
Net (loss) income				(735)	(735)		(735)
Foreign currency translation adjustment			17	22	39		39
Reclassification of cumulative translation adjustment as a result of dissolution of Aehr Test Systems Japan							0
Ending balance, shares (in thousands) at Feb. 28, 2021	23,598
Ending balance, amount at Feb. 28, 2021	$ 236	$ 87,174	$ (45)	$ (76,880)	$ 10,485	$ 0	$ 10,485

[1] The condensed consolidated balance sheet at May 31, 2020 has been derived from the audited consolidated financial statements at that date.