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v3.22.1

Defined Contribution Plan (Details) - USD ($) | 12 Months Ended
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Sep. 30, 2021 | Sep. 30, 2020
Defined Contribution Plan [Abstract] |  |
Employees compensation percentage | 100.00% |
Deferrals percentage | 100.00% |
Contributions percentage | 3.00% |
Internal Revenue percentage | 100.00% |
Contributions amount (in Dollars) | $ 14,803 | $ 14,803

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- Definition Contributions amount. + References No definition available. + Details
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Namespace Prefix: | nmtc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Contributions percentage. + References No definition available. + Details
Name: | nmtc_ContributionsPercentage
Namespace Prefix: | nmtc_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Deferrals percentage. + References No definition available. + Details
Name: | nmtc_DeferralsPercentage
Namespace Prefix: | nmtc_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Employees compensation percentage. + References No definition available. + Details
Name: | nmtc_EmployeesCompensationPercentage
Namespace Prefix: | nmtc_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Internal Revenue percentage. + References No definition available. + Details
Name: | nmtc_InternalRevenuePercentage
Namespace Prefix: | nmtc_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration