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Summary of Significant Accounting Policies (Details) - Schedule of computation of diluted net loss per share - shares | 6 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Schedule of Computation of Diluted Net Loss Per Share [Abstract] |  |
Warrants | 6,832,865 | 6,753,444
Stock options | 1,370,427 | 1,162,059
Restricted stock units | 234,348 | 359,394

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- Definition This relates to restricted stock units not included in basic EPS. + References No definition available. + Details
Name: | nmtc_RestrictedStockUnit
Namespace Prefix: | nmtc_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | nmtc_ScheduleOfComputationOfDilutedNetLossPerShareAbstract
Namespace Prefix: | nmtc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition This relates to stock options not included in basic EPS. + References No definition available. + Details
Name: | nmtc_StockOptions
Namespace Prefix: | nmtc_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition This relates to warrants not included in basic EPS. + References No definition available. + Details
Name: | nmtc_Warrantshares
Namespace Prefix: | nmtc_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration