Patents (Narrative) (Details) - USD ($)	12 Months Ended
Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Notes to Financial Statements [Abstract]
Amortization expense capitalized to development costs			$ 71,988

Represents amount of amortization expense capitalized to development costs.

No definition available.

Name:	mmtif_AmortizationExpenseCapitalizedToDevelopmentCosts
Namespace Prefix:	mmtif_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration