Schedule of Investment Securities Non Broker Dealer (Details) - USD ($)	Jun. 30, 2023	Dec. 31, 2022
Investment securities, at cost less impairment	$ 200,000	$ 200,000
Simple Agreement on Future Equities [Member]
Investment securities, at cost less impairment	$ 200,000	$ 200,000

Investment securities at cost less impairment non broker dealer.

No definition available.

Name:	MDB_InvestmentSecuritiesAtCostLessImpairmentNonBrokerDealer
Namespace Prefix:	MDB_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant