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Zimmer Development Agreement (Details) - Schedule of deferred revenue - USD ($) | 6 Months Ended
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Mar. 31, 2022 | Mar. 31, 2021
Deferred Revenue |  |
Balance as of beginning of period – September 30 | $ 8,622 | $ 73,434
Revenue recognized | (6,374) | (42,387)
Balance as of end of period – March 31 | $ 2,248 | $ 31,047

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- Definition Revenue recognized. + References No definition available. + Details
Name: | nmtc_RevenueRecognized
Namespace Prefix: | nmtc_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(26)(c)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DeferredRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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