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Deferred Contribution Plan (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Deferred Contribution Plan [Abstract]
Employees compensation percentage			100.00%
Deferrals percentage			100.00%
Contributions percentage			3.00%
Internal revenue percentage			100.00%
Contributions amount	$ 0	$ 0	$ 30,697	$ 30,697

X

- Definition

Contributions amount.

+ References

No definition available.

+ Details

Name:	nmtc_ContributionsAmount
Namespace Prefix:	nmtc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Contributions percentage.

+ References

No definition available.

+ Details

Name:	nmtc_ContributionsPercentage
Namespace Prefix:	nmtc_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Deferrals percentage.

+ References

No definition available.

+ Details

Name:	nmtc_DeferralsPercentage
Namespace Prefix:	nmtc_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	nmtc_DeferredContributionPlanAbstract
Namespace Prefix:	nmtc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- 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

X

- 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