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CONSOLIDATED STATEMENTS OF INCOME (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
INTEREST INCOME |  |  |
Loans, including fees | $ 16,690,496us-gaap_InterestAndFeeIncomeLoansAndLeases | $ 16,705,237us-gaap_InterestAndFeeIncomeLoansAndLeases | $ 17,288,855us-gaap_InterestAndFeeIncomeLoansAndLeases
Securities and interest-bearing deposits at other financial institutions | 1,416,190us-gaap_InterestAndDividendIncomeSecurities | 1,694,292us-gaap_InterestAndDividendIncomeSecurities | 2,003,620us-gaap_InterestAndDividendIncomeSecurities
Federal funds sold | 30,678csbq_FederalFundsSoldAndOtherEarningAssets | 53,502csbq_FederalFundsSoldAndOtherEarningAssets | 60,404csbq_FederalFundsSoldAndOtherEarningAssets
Total interest income | 18,137,364us-gaap_InterestIncomeOperating | 18,453,031us-gaap_InterestIncomeOperating | 19,352,879us-gaap_InterestIncomeOperating
INTEREST EXPENSE |  |  |
Time deposits | 1,427,758us-gaap_InterestExpenseTimeDeposits | 1,766,237us-gaap_InterestExpenseTimeDeposits | 2,471,135us-gaap_InterestExpenseTimeDeposits
Other deposits | 313,105us-gaap_InterestExpenseOtherDomesticDeposits | 473,921us-gaap_InterestExpenseOtherDomesticDeposits | 546,812us-gaap_InterestExpenseOtherDomesticDeposits
Federal funds purchased and securities sold under agreements to repurchase | 84,641us-gaap_InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase | 73,903us-gaap_InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase | 94,402us-gaap_InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase
Federal Home Loan Bank advances and other borrowings | 964,351csbq_InterestExpenseFederalHomeLoanAdvancesAndOtheRborrowings | 1,208,490csbq_InterestExpenseFederalHomeLoanAdvancesAndOtheRborrowings | 1,672,478csbq_InterestExpenseFederalHomeLoanAdvancesAndOtheRborrowings
Total interest expense | 2,789,855us-gaap_InterestExpense | 3,522,551us-gaap_InterestExpense | 4,784,827us-gaap_InterestExpense
Net interest income before provision for loan losses | 15,347,509us-gaap_InterestIncomeExpenseNet | 14,930,480us-gaap_InterestIncomeExpenseNet | 14,568,052us-gaap_InterestIncomeExpenseNet
Provision for loan losses | 515,000us-gaap_ProvisionForLoanLossesExpensed | 300,000us-gaap_ProvisionForLoanLossesExpensed | 430,000us-gaap_ProvisionForLoanLossesExpensed
Net interest income after provision for loan losses | 14,832,509us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss | 14,630,480us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss | 14,138,052us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss
NONINTEREST INCOME |  |  |
Customer service fees | 849,984us-gaap_FeesAndCommissionsDepositorAccounts | 821,072us-gaap_FeesAndCommissionsDepositorAccounts | 803,251us-gaap_FeesAndCommissionsDepositorAccounts
Other noninterest income | 57,148us-gaap_NoninterestIncomeOther | 62,457us-gaap_NoninterestIncomeOther | 64,519us-gaap_NoninterestIncomeOther
Net gains from sale of securities | 700,390us-gaap_AvailableForSaleSecuritiesGrossRealizedGains | 652,421us-gaap_AvailableForSaleSecuritiesGrossRealizedGains | 0us-gaap_AvailableForSaleSecuritiesGrossRealizedGains
Net gains from sale of loans and other assets | 211,819csbq_NetGainsOnSalesOfLoansAndOtherAssets | 403,569csbq_NetGainsOnSalesOfLoansAndOtherAssets | 151,710csbq_NetGainsOnSalesOfLoansAndOtherAssets
Total noninterest income | 1,819,341us-gaap_NoninterestIncome | 1,939,519us-gaap_NoninterestIncome | 1,019,480us-gaap_NoninterestIncome
NONINTEREST EXPENSES |  |  |
Salaries and employee benefits | 7,054,474us-gaap_LaborAndRelatedExpense | 6,555,059us-gaap_LaborAndRelatedExpense | 6,327,226us-gaap_LaborAndRelatedExpense
Net occupancy and equipment expense | 1,230,099csbq_NetOccupancyAndEquipmentExpense | 1,335,126csbq_NetOccupancyAndEquipmentExpense | 1,447,204csbq_NetOccupancyAndEquipmentExpense
Depository insurance | 640,097us-gaap_FederalDepositInsuranceCorporationPremiumExpense | 644,918us-gaap_FederalDepositInsuranceCorporationPremiumExpense | 803,902us-gaap_FederalDepositInsuranceCorporationPremiumExpense
Foreclosed assets, net | 1,841,575us-gaap_ForeclosedRealEstateExpense | 2,001,755us-gaap_ForeclosedRealEstateExpense | 1,100,670us-gaap_ForeclosedRealEstateExpense
Other operating expenses | 3,233,318us-gaap_OtherNoninterestExpense | 3,309,532us-gaap_OtherNoninterestExpense | 3,498,867us-gaap_OtherNoninterestExpense
Total noninterest expenses | 13,999,563us-gaap_NoninterestExpense | 13,846,390us-gaap_NoninterestExpense | 13,177,869us-gaap_NoninterestExpense
Income before income tax expense | 2,652,287us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 2,723,609us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 1,979,663us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Income tax expense | 1,014,005us-gaap_IncomeTaxExpenseBenefit | 1,042,800us-gaap_IncomeTaxExpenseBenefit | 577,600us-gaap_IncomeTaxExpenseBenefit
Net income | 1,638,282us-gaap_NetIncomeLoss | 1,680,809us-gaap_NetIncomeLoss | 1,402,063us-gaap_NetIncomeLoss
Preferred stock dividend requirements | 1,500,000us-gaap_PreferredStockDividendsIncomeStatementImpact | 1,500,000us-gaap_PreferredStockDividendsIncomeStatementImpact | 1,229,780us-gaap_PreferredStockDividendsIncomeStatementImpact
Accretion of preferred stock discount | 71,382us-gaap_PreferredStockAccretionOfRedemptionDiscount | 71,381us-gaap_PreferredStockAccretionOfRedemptionDiscount | 63,924us-gaap_PreferredStockAccretionOfRedemptionDiscount
Net income available to common stockholders | $ 66,900us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | $ 109,428us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | $ 108,359us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
EARNINGS PER COMMON SHARE |  |  |
Basic (in dollars per share) | $ 0.01us-gaap_EarningsPerShareBasic | $ 0.02us-gaap_EarningsPerShareBasic | $ 0.02us-gaap_EarningsPerShareBasic
Diluted (in dollars per share) | $ 0.01us-gaap_EarningsPerShareDiluted | $ 0.02us-gaap_EarningsPerShareDiluted | $ 0.02us-gaap_EarningsPerShareDiluted

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