Convertible Promissory Notes and Warrant Agreements (Details) - USD ($)	Jun. 30, 2020	Sep. 30, 2019
Debt Disclosure [Abstract]
Paulson convertible notes, principal	$ 3,814,300
Accrued interest	89,812
Fair value adjustments	2,823,457
Total	$ 6,727,569

Including the current and noncurrent portions, at fair value value as of the balance sheet date of a written promise to pay a note, initially due within one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder.

No definition available.

Name:	nmtc_ConvertiblePromissoryNotesPayable
Namespace Prefix:	nmtc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant