XML 70 R59.htm IDEA: XBRL DOCUMENT v3.20.2

Note 10 - Risks and Uncertainties (Details Textual) $ in Millions	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)
Payroll Protection Plan, Number of Loan Applications Approved	1,414
Payment Protection Plan, Amount to be Funded	$ 143.8
Financing Receivable, Number of Principal and Interest Payments and Extension of Maturity Date Payment Deferrals	41	362
Financing Receivable, Principal and Interest Payments and Extension of Maturity Date Payment Deferrals	$ 63.5	$ 214.8

X

- Definition

The number of principal and interest payments and extension of maturity date payment deferrals on financing receivable.

+ References

No definition available.

+ Details

Name:	mbcn_FinancingReceivableNumberOfPrincipalAndInterestAndExtensionOfMaturityDatePaymentDeferrals
Namespace Prefix:	mbcn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The amount of principal and interest payment and extension of maturity date payment deferrals on financing receivable.

+ References

No definition available.

+ Details

Name:	mbcn_FinancingReceivablePrincipalAndInterestPaymentsAndExtensionOfMaturityDatePaymentDeferrals
Namespace Prefix:	mbcn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The amount of loans to be funded under the Payment Protection Plan.

+ References

No definition available.

+ Details

Name:	mbcn_PaymentProtectionPlanAmountToBeFunded
Namespace Prefix:	mbcn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The number of loan applications approved under the Payroll Protection Plan.

+ References

No definition available.

+ Details

Name:	mbcn_PayrollProtectionPlanNumberOfLoanApplicationsApproved
Namespace Prefix:	mbcn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant