Document and Entity Information - shares	3 Months Ended
	Aug. 31, 2019	Sep. 30, 2019
Document And Entity Information
Entity Registrant Name	AEHR TEST SYSTEMS
Entity Central Index Key	0001040470
Document Type	10-Q
Document Period End Date	Aug. 31, 2019
Amendment Flag	false
Current Fiscal Year End Date	--05-31
Is Entity's Reporting Status Current?	Yes
Entity Filer Category	Non-accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	true
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		22,740,986
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2020