Schedule of Shareholders Equity Warrants Outstanding (Details) (Parenthetical)	Sep. 30, 2022 $ / shares
Equity [Abstract]
Weighted average of exercise price for outstanding warrants	$ 0.56

Share based compensation arrangement by share based payment award non-options equity instruments weighted average exercise price.

No definition available.

Name:	MTNB_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionsEquityInstrumentsWeightedAverageExercisePrice
Namespace Prefix:	MTNB_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant