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Summary of Significant Accounting Policies (Details) - Schedule of Computation of Diluted Net Loss Per Share - shares | 3 Months Ended | 9 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022
Schedule of Computation of Diluted Net Loss Per Share [Abstract] |  |
Warrants | 6,407,495 | 6,753,444
Stock options | 1,708,906 | 1,245,582
Restricted stock units | 431,049 | 443,670

X
- 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

X
- 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