$MBCN
MIDDLEFIELD BANC CORP Stock $mbcn

$mbcn Overview Financials Valuation SEC Filings Company Website

2022 Q4 Form 10-Q Financial Statement

#000143774922027181 Filed on November 14, 2022

Income Statement

Concept	2022 Q4	2022 Q3
Revenue		$13.57M
YoY Change		0.89%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$592.0K	$466.0K
YoY Change	-4.52%	-22.33%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense		$968.0K
YoY Change		1.68%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$4.153M	$5.259M
YoY Change	-29.18%	-17.54%
Income Tax	$651.0K	$1.010M
% Of Pretax Income	15.68%	19.21%
Net Earnings	$3.502M	$4.249M
YoY Change	-27.6%	-18.35%
Net Earnings / Revenue		31.32%
Basic Earnings Per Share		$0.73
Diluted Earnings Per Share	$0.53	$731.9K
COMMON SHARES
Basic Shares Outstanding	5.768M	5.802M
Diluted Shares Outstanding		5.806M

Balance Sheet

Concept	2022 Q4	2022 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$53.81M	$128.6M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$21.96M	$16.22M
YoY Change	27.15%	-7.38%
Goodwill	$31.70M	$15.07M
YoY Change	110.34%	0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$1.688B	$1.351B
YoY Change	26.8%	-1.09%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$10.90M	$5.600M
YoY Change	75.81%	-11.11%
Accrued Expenses	$723.0K
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$65.00M	$80.00M
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$723.0K	$5.600M
YoY Change	-88.34%	-11.11%
LONG-TERM LIABILITIES
Long-Term Debt	$12.06M	$12.11M
YoY Change	-6.52%	-6.87%
Other Long-Term Liabilities	$10.91M	$5.562M
YoY Change	76.02%	-11.71%
Total Long-Term Liabilities	$22.97M	$17.67M
YoY Change	20.27%	-8.45%
TOTAL LIABILITIES
Total Short-Term Liabilities	$723.0K	$5.600M
Total Long-Term Liabilities	$22.97M	$17.67M
Total Liabilities	$1.490B	$1.228B
YoY Change	25.67%	0.68%
SHAREHOLDERS EQUITY
Retained Earnings	$94.15M	$93.17M
YoY Change	12.13%	15.91%
Common Stock	$161.0M	$87.64M
YoY Change	84.81%	0.58%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$35.35M	$32.87M
YoY Change	20.93%	31.16%
Treasury Stock Shares	$1.671M	$1.583M
Shareholders Equity	$197.7M	$122.9M
YoY Change
Total Liabilities & Shareholders Equity	$1.688B	$1.351B
YoY Change	26.8%	-1.09%

Cashflow Statement

Concept	2022 Q4	2022 Q3
OPERATING ACTIVITIES
Net Income	$3.502M	$4.249M
YoY Change	-27.6%	-18.35%
Depreciation, Depletion And Amortization	$592.0K	$466.0K
YoY Change	-4.52%	-22.33%
Cash From Operating Activities	$5.888M	$5.993M
YoY Change	42.22%	24.59%
INVESTING ACTIVITIES
Capital Expenditures	$248.0K	-$296.0K
YoY Change	-230.53%	13.85%
Acquisitions
YoY Change
Other Investing Activities	$32.06M	-$17.34M
YoY Change	41.8%	-149.49%
Cash From Investing Activities	$31.81M	-$17.63M
YoY Change	41.83%	-150.72%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-112.5M	61.07M
YoY Change	185.31%	20255.0%
NET CHANGE
Cash From Operating Activities	5.888M	5.993M
Cash From Investing Activities	31.81M	-17.63M
Cash From Financing Activities	-112.5M	61.07M
Net Change In Cash	-74.77M	49.42M
YoY Change	481.85%	23.93%
FREE CASH FLOW
Cash From Operating Activities	$5.888M	$5.993M
Capital Expenditures	$248.0K	-$296.0K
Free Cash Flow	$5.640M	$6.289M
YoY Change	30.25%	24.04%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	16215000	usd
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	346103
CY2022Q3	us-gaap	Goodwill Goodwill	15071000	usd
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022Q3	us-gaap	Common Stock No Par Value CommonStockNoParValue	0
CY2021Q4	us-gaap	Common Stock No Par Value CommonStockNoParValue	0
CY2022Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	10000000
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	10000000
CY2022Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	7350616
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	7330548
CY2022Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	5767803
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	5888737
CY2022Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	1582813
CY2021Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	1441811
CY2022Q3	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	45638
CY2021Q3	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	165058
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	141002
CY2022Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	0
CY2021Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	0
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	170199000	usd
CY2022Q3	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	0	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	usd
	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	0	usd
CY2021Q3	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	0	usd
	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	0	usd
	us-gaap	Other Than Temporary Impairment Loss Debt Securities Available For Sale OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale	0	usd
CY2021Q3	us-gaap	Other Than Temporary Impairment Loss Debt Securities Available For Sale OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale	0	usd
	us-gaap	Other Than Temporary Impairment Loss Debt Securities Available For Sale OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale	0	usd
	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0	pure
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2022-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-36613
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	OH
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	34-1585111
	dei	Entity Address Address Line1 EntityAddressAddressLine1	15985 East High Street
	dei	Entity Address City Or Town EntityAddressCityOrTown	Middlefield
	dei	Entity Address State Or Province EntityAddressStateOrProvince	OH
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	44062-0035
	dei	City Area Code CityAreaCode	440
	dei	Local Phone Number LocalPhoneNumber	632-1666
	dei	Security12b Title Security12bTitle	Common Stock, Without Par Value
	dei	Trading Symbol TradingSymbol	MBCN
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	true
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2022Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	5767803
CY2022Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	119777000	usd
CY2021Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	97172000	usd
CY2022Q3	us-gaap	Federal Funds Sold FederalFundsSold	8800000	usd
CY2021Q4	us-gaap	Federal Funds Sold FederalFundsSold	22322000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	128577000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	119494000	usd
CY2022Q3	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	972000	usd
CY2021Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	818000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	162064000	usd
CY2021Q4	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	1051000	usd
CY2022Q3	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	995195000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	981691000	usd
CY2022Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	14532000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	14342000	usd
CY2022Q3	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	980663000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	967349000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	15071000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	17272000	usd
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	232000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	1171000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	1403000	usd
CY2022Q3	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	17382000	usd
CY2021Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	17060000	usd
CY2022Q3	us-gaap	Other Real Estate OtherRealEstate	6792000	usd
CY2021Q4	us-gaap	Other Real Estate OtherRealEstate	6992000	usd
CY2022Q3	us-gaap	Interest Receivable And Other Assets InterestReceivableAndOtherAssets	22104000	usd
CY2021Q4	us-gaap	Interest Receivable And Other Assets InterestReceivableAndOtherAssets	14297000	usd
CY2022Q3	us-gaap	Assets Assets	1351011000	usd
CY2021Q4	us-gaap	Assets Assets	1331006000	usd
CY2022Q3	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	383675000	usd
CY2021Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	334171000	usd
CY2022Q3	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	160112000	usd
CY2021Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	196308000	usd
CY2022Q3	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	162052000	usd
CY2021Q4	us-gaap	Deposits Money Market Deposits DepositsMoneyMarketDeposits	177281000	usd
CY2022Q3	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	247466000	usd
CY2021Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	260125000	usd
CY2022Q3	us-gaap	Time Deposits TimeDeposits	177182000	usd
CY2021Q4	us-gaap	Time Deposits TimeDeposits	198725000	usd
CY2022Q3	us-gaap	Deposits Deposits	1130487000	usd
CY2021Q4	us-gaap	Deposits Deposits	1166610000	usd
CY2022Q3	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	80000000	usd
CY2021Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	0	usd
CY2022Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	80000000	usd
CY2021Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	0	usd
CY2022Q3	us-gaap	Other Borrowings OtherBorrowings	12107000	usd
CY2021Q4	us-gaap	Other Borrowings OtherBorrowings	12901000	usd
CY2022Q3	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	5562000	usd
CY2021Q4	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	6160000	usd
CY2022Q3	us-gaap	Liabilities Liabilities	1228156000	usd
CY2021Q4	us-gaap	Liabilities Liabilities	1185671000	usd
CY2022Q3	us-gaap	Common Stock Value CommonStockValue	87640000	usd
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	87131000	usd
CY2022Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	93166000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	83971000	usd
CY2022Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-25080000	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	3462000	usd
CY2022Q3	us-gaap	Treasury Stock Value TreasuryStockValue	32871000	usd
CY2021Q4	us-gaap	Treasury Stock Value TreasuryStockValue	29229000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	122855000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	145335000	usd
CY2022Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1351011000	usd
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1331006000	usd
CY2022Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	11892000	usd
CY2021Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	12258000	usd
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	34145000	usd
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	36310000	usd
CY2022Q3	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	134000	usd
CY2021Q3	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	30000	usd
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	60000	usd
CY2022Q3	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	51000	usd
CY2021Q3	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	1000	usd
	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	100000	usd
	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	2000	usd
CY2022Q3	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	449000	usd
CY2021Q3	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	461000	usd
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	1334000	usd
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	1241000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	36095000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	35281000	usd
CY2022Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-57000	usd
CY2022Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	982000	usd
CY2021Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	673000	usd
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	2721000	usd
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1833000	usd
CY2022Q3	us-gaap	Dividend Income Operating DividendIncomeOperating	59000	usd
CY2021Q3	us-gaap	Dividend Income Operating DividendIncomeOperating	24000	usd
	us-gaap	Dividend Income Operating DividendIncomeOperating	116000	usd
	us-gaap	Dividend Income Operating DividendIncomeOperating	79000	usd
CY2022Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	13567000	usd
CY2021Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	13447000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	38648000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	39525000	usd
CY2022Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	812000	usd
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	us-gaap	Interest Expense Deposits InterestExpenseDeposits	2247000	usd
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	3130000	usd
CY2022Q3	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	44000	usd
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CY2021Q3	us-gaap	Interest Expense Other InterestExpenseOther	68000	usd
	us-gaap	Interest Expense Other InterestExpenseOther	262000	usd
	us-gaap	Interest Expense Other InterestExpenseOther	214000	usd
CY2022Q3	us-gaap	Interest Expense InterestExpense	968000	usd
CY2021Q3	us-gaap	Interest Expense InterestExpense	983000	usd
	us-gaap	Interest Expense InterestExpense	2553000	usd
	us-gaap	Interest Expense InterestExpense	3344000	usd
CY2022Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	12599000	usd
CY2021Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	12464000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	36095000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	36181000	usd
CY2022Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	0	usd
CY2021Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	0	usd
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	0	usd
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	900000	usd
CY2022Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	12599000	usd
CY2021Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	12464000	usd
CY2021Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	102000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-96000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	223000	usd
CY2022Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	108000	usd
CY2021Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	108000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	322000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	440000	usd
CY2022Q3	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	7000	usd
CY2021Q3	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	309000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	28000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	1122000	usd
CY2022Q3	us-gaap	Investment Banking Advisory Brokerage And Underwriting Fees And Commissions InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions	233000	usd
CY2021Q3	us-gaap	Investment Banking Advisory Brokerage And Underwriting Fees And Commissions InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions	190000	usd
	us-gaap	Investment Banking Advisory Brokerage And Underwriting Fees And Commissions InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions	527000	usd
	us-gaap	Investment Banking Advisory Brokerage And Underwriting Fees And Commissions InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions	529000	usd
CY2022Q3	us-gaap	Noninterest Income NoninterestIncome	1546000	usd
CY2021Q3	us-gaap	Noninterest Income NoninterestIncome	1821000	usd
	us-gaap	Noninterest Income NoninterestIncome	4332000	usd
	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	115000	usd
	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	725000	usd
	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	664000	usd
CY2022Q3	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	27000	usd
CY2021Q3	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	88000	usd
	us-gaap	Noninterest Income NoninterestIncome	5671000	usd
CY2022Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	4491000	usd
CY2021Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	4488000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	12662000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	13063000	usd
CY2022Q3	us-gaap	Occupancy Net OccupancyNet	458000	usd
CY2021Q3	us-gaap	Occupancy Net OccupancyNet	426000	usd
	us-gaap	Occupancy Net OccupancyNet	1546000	usd
	us-gaap	Occupancy Net OccupancyNet	1506000	usd
CY2022Q3	us-gaap	Equipment Expense EquipmentExpense	233000	usd
CY2021Q3	us-gaap	Equipment Expense EquipmentExpense	333000	usd
	us-gaap	Equipment Expense EquipmentExpense	822000	usd
	us-gaap	Equipment Expense EquipmentExpense	1003000	usd
CY2022Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	985000	usd
CY2021Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	845000	usd
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	2650000	usd
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	2447000	usd
CY2022Q3	mbcn	Ohio State Franchise Tax OhioStateFranchiseTax	293000	usd
CY2021Q3	mbcn	Ohio State Franchise Tax OhioStateFranchiseTax	287000	usd
	mbcn	Ohio State Franchise Tax OhioStateFranchiseTax	878000	usd
	mbcn	Ohio State Franchise Tax OhioStateFranchiseTax	859000	usd
CY2022Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	84000	usd
CY2021Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	150000	usd
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	224000	usd
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	444000	usd
CY2022Q3	us-gaap	Professional Fees ProfessionalFees	280000	usd
CY2021Q3	us-gaap	Professional Fees ProfessionalFees	136000	usd
	us-gaap	Professional Fees ProfessionalFees	1118000	usd
	us-gaap	Professional Fees ProfessionalFees	878000	usd
CY2022Q3	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-1000	usd
CY2021Q3	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-9000	usd
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-215000	usd
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-77000	usd
CY2022Q3	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	268000	usd
CY2021Q3	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	222000	usd
	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	242000	usd
CY2022Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	78000	usd
CY2021Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	81000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	232000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	241000	usd
CY2022Q3	us-gaap	Noncash Merger Related Costs NoncashMergerRelatedCosts	390000	usd
CY2021Q3	us-gaap	Noncash Merger Related Costs NoncashMergerRelatedCosts	0	usd
	us-gaap	Noncash Merger Related Costs NoncashMergerRelatedCosts	969000	usd
	us-gaap	Noncash Merger Related Costs NoncashMergerRelatedCosts	0	usd
CY2022Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	1298000	usd
CY2021Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	842000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	3531000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	2694000	usd
CY2022Q3	us-gaap	Noninterest Expense NoninterestExpense	8886000	usd
CY2021Q3	us-gaap	Noninterest Expense NoninterestExpense	7907000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	16834000	usd
	us-gaap	Noninterest Expense NoninterestExpense	25687000	usd
	us-gaap	Noninterest Expense NoninterestExpense	24118000	usd
CY2022Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	5259000	usd
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	6378000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	14740000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-7489000	usd
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	-0	usd
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1010000	usd
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1174000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2569000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3038000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	4249000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	5204000	usd
	us-gaap	Net Income Loss NetIncomeLoss	12171000	usd
	us-gaap	Net Income Loss NetIncomeLoss	13796000	usd
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.73
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.85
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.08
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.20
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.73
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.85
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.08
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.19
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	4249000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	5204000	usd
	us-gaap	Net Income Loss NetIncomeLoss	12171000	usd
	us-gaap	Net Income Loss NetIncomeLoss	13796000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-9479000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-358000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-36129000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-853000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-1990000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-75000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-7587000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-179000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-7489000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-283000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-28542000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-674000	usd
CY2022Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-3240000	usd
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	4921000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-16371000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	13122000	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	128220000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	4249000	usd
CY2022Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	78000	usd
CY2022Q3	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	1220000	usd
CY2022Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	983000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	122855000	usd
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	146044000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	5204000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-283000	usd
CY2021Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	0	usd
CY2021Q3	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	3932000	usd
CY2021Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	978000	usd
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	146055000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	145335000	usd
	us-gaap	Net Income Loss NetIncomeLoss	12171000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-28542000	usd
	us-gaap	Net Income Loss NetIncomeLoss	13796000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	9528000	usd
	mbcn	Gains Losses On Sales Of Other Real Estate Gross GainsLossesOnSalesOfOtherRealEstateGross	-0	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	509000	usd
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	3642000	usd
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2976000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	122855000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	143810000	usd
	mbcn	Gains Losses On Sales Of Other Real Estate Gross GainsLossesOnSalesOfOtherRealEstateGross	-28000	usd
	mbcn	Other Real Estate Owned Writedowns OtherRealEstateOwnedWritedowns	-200000	usd
	mbcn	Other Real Estate Owned Writedowns OtherRealEstateOwnedWritedowns	-0	usd
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	143000	usd
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-818000	usd
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	94000	usd
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-275000	usd
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	271000	usd
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	2177000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	12474000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	11283000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	3576000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-674000	usd
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	94000	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	151000	usd
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	8124000	usd
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2998000	usd
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	146055000	usd
	us-gaap	Net Income Loss NetIncomeLoss	12171000	usd
	us-gaap	Net Income Loss NetIncomeLoss	13796000	usd
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	0	usd
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	900000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-96000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	223000	usd
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	968000	usd
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	1075000	usd
	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	115000	usd
	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	242000	usd
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	114000	usd
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	235000	usd
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-470000	usd
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-351000	usd
	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	1678000	usd
	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	3750000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	232000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	241000	usd
	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	113000	usd
	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	-21000	usd
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	1341000	usd
	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	30309000	usd
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	1636000	usd
	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	31633000	usd
	mbcn	Gain Loss On Sales Of Loans Excluding Student Loans Net GainLossOnSalesOfLoansExcludingStudentLoansNet	28000	usd
	mbcn	Gain Loss On Sales Of Loans Excluding Student Loans Net GainLossOnSalesOfLoansExcludingStudentLoansNet	1122000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	322000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	440000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	48000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	281000	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	32290000	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	59429000	usd
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	10852000	usd
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-97365000	usd
	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	0	usd
	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	332000	usd
	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	0	usd
	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	424000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	636000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	417000	usd
	mbcn	Revenue From Interest Income And Noninterest Income Percent RevenueFromInterestIncomeAndNoninterestIncomePercent	0.895	pure
	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	1448000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	119494000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	112417000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	128577000	usd
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	132351000	usd
	us-gaap	Interest Paid Net InterestPaidNet	2459000	usd
	us-gaap	Interest Paid Net InterestPaidNet	3520000	usd
	us-gaap	Income Taxes Paid IncomeTaxesPaid	2727000	usd
	us-gaap	Income Taxes Paid IncomeTaxesPaid	4328000	usd
	mbcn	Transfer Of Loans Heldforsale To Loans Held For Investment TransferOfLoansHeldforsaleToLoansHeldForInvestment	784000	usd
	mbcn	Transfer Of Loans Heldforsale To Loans Held For Investment TransferOfLoansHeldforsaleToLoansHeldForInvestment	63000	usd
	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	0	usd
	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	0	usd
	mbcn	Increase Decrease In Finance Lease Assets Added To Premises And Equipment Noncash Investing Transactions IncreaseDecreaseInFinanceLeaseAssetsAddedToPremisesAndEquipmentNoncashInvestingTransactions	611000	usd
	mbcn	Increase Decrease In Finance Lease Assets Added To Premises And Equipment Noncash Investing Transactions IncreaseDecreaseInFinanceLeaseAssetsAddedToPremisesAndEquipmentNoncashInvestingTransactions	-67000	usd
CY2022Q3	mbcn	Increase Decrease In Finance Lease Liabilities Added To Borrowed Funds Noncash Financing Transactions IncreaseDecreaseInFinanceLeaseLiabilitiesAddedToBorrowedFundsNoncashFinancingTransactions	-611000	usd
CY2021Q3	mbcn	Increase Decrease In Finance Lease Liabilities Added To Borrowed Funds Noncash Financing Transactions IncreaseDecreaseInFinanceLeaseLiabilitiesAddedToBorrowedFundsNoncashFinancingTransactions	67000	usd
	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:justify;margin:0pt;">Reclassification of Comparative Amounts</p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:justify;margin:0pt;">Certain comparative amounts for prior years have been reclassified to conform to current-year presentations. Such reclassifications did <em style="font: inherit;">not</em> affect net income or retained earnings.</p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p>
	mbcn	Redemption Of Restricted Stock RedemptionOfRestrictedStock	1183000	usd
	mbcn	Redemption Of Restricted Stock RedemptionOfRestrictedStock	658000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-40467000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	48461000	usd
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-36123000	usd
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-24643000	usd
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	80000000	usd
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	0	usd
	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	183000	usd
	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	4139000	usd
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	usd
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	94000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	3642000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	8124000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	2976000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	2998000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	37076000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-39810000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	9083000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	19934000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	170199000	usd
CY2022Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-57000	usd
CY2021Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	102000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-96000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	223000	usd
CY2022Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	108000	usd
CY2021Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	108000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	322000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	440000	usd
CY2022Q3	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	7000	usd
CY2021Q3	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	309000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	28000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	1122000	usd
CY2022Q3	us-gaap	Investment Banking Advisory Brokerage And Underwriting Fees And Commissions InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions	233000	usd
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	us-gaap	Investment Banking Advisory Brokerage And Underwriting Fees And Commissions InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions	527000	usd
	us-gaap	Investment Banking Advisory Brokerage And Underwriting Fees And Commissions InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions	529000	usd
CY2022Q3	mbcn	Miscellaneous Fee Income MiscellaneousFeeIncome	83000	usd
CY2021Q3	mbcn	Miscellaneous Fee Income MiscellaneousFeeIncome	75000	usd
	mbcn	Miscellaneous Fee Income MiscellaneousFeeIncome	222000	usd
	mbcn	Miscellaneous Fee Income MiscellaneousFeeIncome	192000	usd
CY2022Q3	us-gaap	Noninterest Income Other NoninterestIncomeOther	168000	usd
CY2021Q3	us-gaap	Noninterest Income Other NoninterestIncomeOther	161000	usd
	us-gaap	Noninterest Income Other NoninterestIncomeOther	455000	usd
	us-gaap	Noninterest Income Other NoninterestIncomeOther	646000	usd
CY2022Q3	us-gaap	Noninterest Income NoninterestIncome	1546000	usd
CY2021Q3	us-gaap	Noninterest Income NoninterestIncome	1821000	usd
	us-gaap	Noninterest Income NoninterestIncome	4332000	usd
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CY2022Q3	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-1000	usd
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CY2022Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	158000	usd
CY2021Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	818000	usd
CY2022Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-57000	usd
CY2022Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	31781000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	162064000	usd
CY2021Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	292000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	113000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	389000	usd
CY2022Q3	us-gaap	Deferred Compensation Sharebased Arrangements Liability Current And Noncurrent DeferredCompensationSharebasedArrangementsLiabilityCurrentAndNoncurrent	498000	usd
CY2021Q3	us-gaap	Deferred Compensation Sharebased Arrangements Liability Current And Noncurrent DeferredCompensationSharebasedArrangementsLiabilityCurrentAndNoncurrent	887000	usd
CY2022Q3	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	7350616
CY2021Q3	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	7329548
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	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	7323936
CY2022Q3	us-gaap	Weighted Average Number Of Shares Treasury Stock WeightedAverageNumberOfSharesTreasuryStock	1557843
CY2021Q3	us-gaap	Weighted Average Number Of Shares Treasury Stock WeightedAverageNumberOfSharesTreasuryStock	1192900
	us-gaap	Weighted Average Number Of Shares Treasury Stock WeightedAverageNumberOfSharesTreasuryStock	1504763
	us-gaap	Weighted Average Number Of Shares Treasury Stock WeightedAverageNumberOfSharesTreasuryStock	1058133
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5792773
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6136648
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5840757
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6265803
CY2022Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	13026
CY2021Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	20533
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	13026
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	21753
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5805799
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6157181
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5853783
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6287556
CY2022Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	1582813
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	141002
CY2021Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	1441811
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	165817000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	4922000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	45209000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	42783000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	145292000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	116007000	usd
CY2022Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	193811000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	162064000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	540000	usd
CY2021	mbcn	Estimated Selling Costs Of Impaired Loans EstimatedSellingCostsOfImpairedLoans	901000	usd
CY2022Q3	mbcn	Mandatorily Redeemable Securities MandatorilyRedeemableSecurities	8000000.0	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	usd
CY2022Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	193811000	usd
CY2022Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	34000	usd
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CY2021Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	102000	usd
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CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	601000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	603000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	2709000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	2671000	usd
CY2022Q3	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	0	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	132791000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	25622000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	20624000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	6159000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	153415000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	31781000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	33423000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	441000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	2711000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	99000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	36134000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	540000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	174	pure
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	28	pure
CY2022Q3	mbcn	Percentage Of Portfolio PercentageOfPortfolio	0.81	pure
CY2022Q3	us-gaap	Other Than Temporary Impairment Loss Debt Securities Available For Sale OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale	0	usd
CY2022Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	22428000	usd
CY2022Q3	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	972767000	usd
CY2022Q3	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	995195000	usd
CY2021Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	7969000	usd
CY2021Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	973722000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	981691000	usd
CY2022Q3	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	1900000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	3600000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	666000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	13866000	usd
CY2022Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	14532000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	740000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	13602000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	14342000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	2013000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	2923000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	20415000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	20484000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	666000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	22428000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	23407000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	666000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	2744000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	3221000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	5225000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	5765000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	740000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	7969000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	8986000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	740000	usd
CY2022Q3	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	2800000	usd
CY2021Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	2600000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	308000	usd
CY2021	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	150000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	15668000	usd
CY2022Q3	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	510000	usd
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	11777000	usd
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	743000	usd
CY2021Q3	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	8976000	usd
CY2021Q3	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	81000	usd
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	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	219000	usd
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CY2022Q3	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	995195000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	981691000	usd
CY2022Q3	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	995195000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	981691000	usd
CY2022Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	3692000	usd
CY2022Q3	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0	usd
CY2021Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	4859000	usd
CY2021Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0	usd
CY2022Q3	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	39000	usd
	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	120000	usd
CY2021Q3	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	107000	usd
	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	290000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	14342000	usd
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CY2022Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	14532000	usd
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	13459000	usd
	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	442000	usd
	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	317000	usd
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	900000	usd
CY2021Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	14234000	usd
CY2022Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	14550000	usd
CY2022Q3	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	150000	usd
CY2022Q3	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	132000	usd
CY2022Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	0	usd
CY2022Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	14532000	usd
CY2021Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	14200000	usd
CY2021Q3	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	50000	usd
CY2021Q3	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	84000	usd
CY2021Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	0	usd
CY2021Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	14234000	usd
CY2022Q3	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0	pure

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$MBCN
MIDDLEFIELD BANC CORP Stock $mbcn

2022 Q4 Form 10-Q Financial Statement

#000143774922027181 Filed on November 14, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MBCN MIDDLEFIELD BANC CORP Stock $mbcn

2022 Q4 Form 10-Q Financial Statement

#000143774922027181 Filed on November 14, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MBCN
MIDDLEFIELD BANC CORP Stock $mbcn