XML 82 R69.htm IDEA: XBRL DOCUMENT
v3.22.2.2

STOCKHOLDERS EQUITY AND STOCK-BASED COMPENSATION (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
May 31, 2022 | May 31, 2021 | May 31, 2020
Total stock-based compensation | $ 2,923 | $ 1,101 | $ 910
Effect on net loss per share, basic | $ 0.11 | $ 0.05 | $ 0.04
Effect on net loss per share, diluted | $ 0.11 | $ 0.05 | $ 0.04
Cost of Sales |  |  |
Total stock-based compensation | $ 234 | $ 70 | $ 80
Selling, General and Administrative |  |  |
Total stock-based compensation | 1,721 | 816 | 631
Research and Development |  |  |
Total stock-based compensation | $ 968 | $ 215 | $ 199

X
- References No definition available. + Details
Name: | aehr_EffectOnNetIncomeLossPerShareBasic
Namespace Prefix: | aehr_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | aehr_EffectOnNetIncomeLossPerShareDiluted
Namespace Prefix: | aehr_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | aehr_TotalStockBasedCompensation
Namespace Prefix: | aehr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_CostOfSalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_GeneralAndAdministrativeExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_ResearchAndDevelopmentExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |