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Summary of Significant Accounting Policies (Details 2) - Debt Conversion Derivative [Member] - USD ($) | 12 Months Ended
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Sep. 30, 2019 | Sep. 30, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Balance as of beginning of period | $ 308,395 | $ 462,174
Value assigned to the underlying derivatives in connection with convertible promissory notes |  | 218,052
Change in fair value of premium debt conversion derivatives | 111,195 | (371,831)
Reclassification to equity upon conversion of convertible promissory notes | (419,590) |
Balance as of end of period |  | $ 308,395

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- Definition Change in fair value of premium conversion derivative. + References No definition available. + Details
Name: | nmtc_ChangeInFairValueOfPremiumDebtConversionDerivativeAndRecognition
Namespace Prefix: | nmtc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Premium debt conversion derivative. + References No definition available. + Details
Name: | nmtc_PremiumDebtConversionDerivative
Namespace Prefix: | nmtc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Reclassification upon conversion of convertible promissory notes to equity. + References No definition available. + Details
Name: | nmtc_ReclassificationToEquityUponConversionOfConvertiblePromissoryNotes
Namespace Prefix: | nmtc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Value assigned to the underlying derivative in connection with convertible notes. + References No definition available. + Details
Name: | nmtc_ValueAssignedToUnderlyingDerivativeInConnectionWithConvertibleNotes
Namespace Prefix: | nmtc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_DebtInstrumentAxis=nmtc_DebtConversionDerivativeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |