2.4.0.8 Html 224 185 1 false 33 0 false 7 false false R1.htm 101 - Document - Document and Entity Information Sheet http://www.coastalcarib.com/taxonomy/role/DocumentandEntityInformation Document and Entity Information true false R2.htm 103 - Statement - Consolidated Balance Sheets Sheet http://www.coastalcarib.com/taxonomy/role/StatementOfFinancialPositionClassified Consolidated Balance Sheets false false R3.htm 104 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://www.coastalcarib.com/taxonomy/role/StatementOfFinancialPositionClassifiedParenthetical Consolidated Balance Sheets (Parenthetical) false false R4.htm 105 - Statement - Consolidated Statements of Operations Sheet http://www.coastalcarib.com/taxonomy/role/StatementOfIncomeAlternative Consolidated Statements of Operations false false R5.htm 106 - Statement - Consolidated Statements of Cash Flows Sheet http://www.coastalcarib.com/taxonomy/role/StatementOfCashFlowsIndirect Consolidated Statements of Cash Flows false false R6.htm 107 - Statement - Consolidated Statement of Common Stock and Capital in Excess of Par Value Sheet http://www.coastalcarib.com/taxonomy/role/StatementOfShareholdersEquityAndOtherComprehensiveIncome Consolidated Statement of Common Stock and Capital in Excess of Par Value false false R7.htm 108 - Statement - Consolidated Statement of Common Stock and Capital in Excess of Par Value (Parenthetical) Sheet http://www.coastalcarib.com/taxonomy/role/StatementOfShareholdersEquityAndOtherComprehensiveIncomeParenthetical Consolidated Statement of Common Stock and Capital in Excess of Par Value (Parenthetical) false false R8.htm 109 - Disclosure - Summary of significant accounting policies Sheet http://www.coastalcarib.com/taxonomy/role/NotesToFinancialStatementsSignificantAccountingPoliciesTextBlock Summary of significant accounting policies false false R9.htm 110 - Disclosure - Unproved Oil, Gas and Mineral Properties Sheet http://www.coastalcarib.com/taxonomy/role/NotesToFinancialStatementsOilAndGasPropertiesTextBlock Unproved Oil, Gas and Mineral Properties false false R10.htm 111 - Disclosure - Common Stock Sheet http://www.coastalcarib.com/taxonomy/role/NotesToFinancialStatementsStockholdersEquityNoteDisclosureTextBlock Common Stock false false R11.htm 112 - Disclosure - Stock Option Plans Sheet http://www.coastalcarib.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock Stock Option Plans false false R12.htm 113 - Disclosure - Income taxes Sheet http://www.coastalcarib.com/taxonomy/role/NotesToFinancialStatementsIncomeTaxDisclosureTextBlock Income taxes false false R13.htm 114 - Disclosure - Related party transactions Sheet http://www.coastalcarib.com/taxonomy/role/NotesToFinancialStatementsRelatedPartyTransactionsDisclosureTextBlock Related party transactions false false R14.htm 115 - Disclosure - Concentrations of credit risk Sheet http://www.coastalcarib.com/taxonomy/role/NotesToFinancialStatementsConcentrationRiskDisclosureTextBlock Concentrations of credit risk false false R15.htm 116 - Disclosure - Notes Payable Notes http://www.coastalcarib.com/taxonomy/role/NotesToFinancialStatementsDebtDisclosureTextBlock Notes Payable false false R16.htm 117 - Disclosure - Commitments, contingencies and subsequent events Sheet http://www.coastalcarib.com/taxonomy/role/NotesToFinancialStatementsCommitmentsContingenciesAndSubsequentEventsTextBlock Commitments, contingencies and subsequent events false false R17.htm 118 - Disclosure - Summary of significant accounting policies (Policies) Sheet http://www.coastalcarib.com/taxonomy/role/NotesToFinancialStatementsSignificantAccountingPoliciesTextBlockPolicies Summary of significant accounting policies (Policies) false false R18.htm 119 - Disclosure - Common Stock (Tables) Sheet http://www.coastalcarib.com/taxonomy/role/NotesToFinancialStatementsStockholdersEquityNoteDisclosureTextBlockTables Common Stock (Tables) false false R19.htm 120 - Disclosure - Stock Option Plans (Tables) Sheet http://www.coastalcarib.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlockTables Stock Option Plans (Tables) false false R20.htm 121 - Disclosure - Income taxes (Tables) Sheet http://www.coastalcarib.com/taxonomy/role/NotesToFinancialStatementsIncomeTaxDisclosureTextBlockTables Income taxes (Tables) false false R21.htm 122 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail) Sheet http://www.coastalcarib.com/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformation Summary of Significant Accounting Policies - Additional Information (Detail) false false R22.htm 123 - Disclosure - Unproved Oil Gas and Mineral Properties - Additional Information (Detail) Sheet http://www.coastalcarib.com/taxonomy/role/DisclosureUnprovedOilGasAndMineralPropertiesAdditionalInformation Unproved Oil Gas and Mineral Properties - Additional Information (Detail) false false R23.htm 124 - Disclosure - Shares Issued Upon Sales of Common Stock (Detail) Sheet http://www.coastalcarib.com/taxonomy/role/DisclosureSharesIssuedUponSalesOfCommonStock Shares Issued Upon Sales of Common Stock (Detail) false false R24.htm 125 - Disclosure - Shares Issued Upon Exercise of Stock Options (Detail) Sheet http://www.coastalcarib.com/taxonomy/role/DisclosureSharesIssuedUponExerciseOfStockOptions Shares Issued Upon Exercise of Stock Options (Detail) false false R25.htm 126 - Disclosure - Common Stock - Additional Information (Detail) Sheet http://www.coastalcarib.com/taxonomy/role/DisclosureCommonStockAdditionalInformation Common Stock - Additional Information (Detail) false false R26.htm 127 - Disclosure - Stock Option Plans - Additional Information (Detail) Sheet http://www.coastalcarib.com/taxonomy/role/DisclosureStockOptionPlansAdditionalInformation Stock Option Plans - Additional Information (Detail) false false R27.htm 128 - Disclosure - Employee Stock Option Activity (Detail) Sheet http://www.coastalcarib.com/taxonomy/role/DisclosureEmployeeStockOptionActivity Employee Stock Option Activity (Detail) false false R28.htm 129 - Disclosure - Summary of Employee Options Outstanding by Year Granted (Detail) Sheet http://www.coastalcarib.com/taxonomy/role/DisclosureSummaryOfEmployeeOptionsOutstandingByYearGranted Summary of Employee Options Outstanding by Year Granted (Detail) false false R29.htm 130 - Disclosure - Non Employee Stock Option Activity (Detail) Sheet http://www.coastalcarib.com/taxonomy/role/DisclosureNonEmployeeStockOptionActivity Non Employee Stock Option Activity (Detail) false false R30.htm 131 - Disclosure - Summary of Non Employee Options Outstanding by Year Granted (Detail) Sheet http://www.coastalcarib.com/taxonomy/role/DisclosureSummaryOfNonEmployeeOptionsOutstandingByYearGranted Summary of Non Employee Options Outstanding by Year Granted (Detail) false false R31.htm 132 - Disclosure - Income Taxes - Additional Information (Detail) Sheet http://www.coastalcarib.com/taxonomy/role/DisclosureIncomeTaxesAdditionalInformation Income Taxes - Additional Information (Detail) false false R32.htm 133 - Disclosure - Significant Components of Company's Deferred Tax Assets (Detail) Sheet http://www.coastalcarib.com/taxonomy/role/DisclosureSignificantComponentsOfCompanysDeferredTaxAssets Significant Components of Company's Deferred Tax Assets (Detail) false false R33.htm 134 - Disclosure - Components of Income Tax Provision (Detail) Sheet http://www.coastalcarib.com/taxonomy/role/DisclosureComponentsOfIncomeTaxProvision Components of Income Tax Provision (Detail) false false R34.htm 135 - Disclosure - Related Party Transactions - Additional Information (Detail) Sheet http://www.coastalcarib.com/taxonomy/role/DisclosureRelatedPartyTransactionsAdditionalInformation Related Party Transactions - Additional Information (Detail) false false R35.htm 136 - Disclosure - Concentrations of Credit Risk - Additional Information (Detail) Sheet http://www.coastalcarib.com/taxonomy/role/DisclosureConcentrationsOfCreditRiskAdditionalInformation Concentrations of Credit Risk - Additional Information (Detail) false false R36.htm 137 - Disclosure - Notes Payable - Additional Information (Detail) Notes http://www.coastalcarib.com/taxonomy/role/DisclosureNotesPayableAdditionalInformation Notes Payable - Additional Information (Detail) false false R37.htm 138 - Disclosure - Commitments, Contingencies and Subsequent Events - Additional Information (Detail) Sheet http://www.coastalcarib.com/taxonomy/role/DisclosureCommitmentsContingenciesAndSubsequentEventsAdditionalInformation Commitments, Contingencies and Subsequent Events - Additional Information (Detail) false false All Reports Book All Reports Process Flow-Through: 103 - Statement - Consolidated Balance Sheets Process Flow-Through: Removing column 'Dec. 31, 2009' Process Flow-Through: Removing column 'Aug. 31, 2009' Process Flow-Through: 104 - Statement - Consolidated Balance Sheets (Parenthetical) Process Flow-Through: 105 - Statement - Consolidated Statements of Operations Process Flow-Through: 106 - Statement - Consolidated Statements of Cash Flows Process Flow-Through: 107 - Statement - Consolidated Statement of Common Stock and Capital in Excess of Par Value Process Flow-Through: Removing column 'Dec. 31, 2011' Process Flow-Through: Removing column 'Dec. 31, 2010' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1987 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1986 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1983 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1981 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1980 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1979 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1978 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1977 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1974 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1973 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1972 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1971 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1970 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1969 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1968 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1967 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1966 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1965 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1964 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1963 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1962 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1961 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1960 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1959 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1958 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1957 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1956 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1955 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1954 Common Stock' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1987 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1986 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1985 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1983 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1981 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1980 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1979 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1978 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1977 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1976 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1975 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1974 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1973 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1972 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1971 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1970 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1969 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1968 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1967 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1966 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1965 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1964 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1963 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1962 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1961 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1960 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1959 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1958 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1957 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1956 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1955 Capital in Excess of Par Value' Process Flow-Through: Removing column '12 Months Ended Dec. 31, 1954 Capital in Excess of Par Value' Process Flow-Through: 108 - Statement - Consolidated Statement of Common Stock and Capital in Excess of Par Value (Parenthetical) cocbf-20111231.xml cocbf-20111231.xsd cocbf-20111231_cal.xml cocbf-20111231_def.xml cocbf-20111231_lab.xml cocbf-20111231_pre.xml true true