XML 73 R59.htm IDEA: XBRL DOCUMENT
v3.24.1.1.u2

Note 15 - Governmental Assistance Program (Details Textual) - USD ($) | 12 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Government Assistance, Amount | $ 0 | $ 34,000
Employment Support Scheme [Member] |  |
Government Assistance, Amount | $ 0 | $ 34,000

X
- Definition Amount of increase (decrease) in income from government assistance. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 832 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483507/832-10-50-3 + Details
Name: | us-gaap_GovernmentAssistanceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_GovernmentAssistanceTypeAxis=msn_EmploymentSupportSchemeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |