Document And Entity Information Statistical Measurement [Axis] Note To Financial Statement Details Textual Significant Accounting Policies Note 1 - Basis of Presentation ecd_NonRule10b51ArrTrmntdFlag Non-Rule 10b5-1 Arrangement Terminated [Flag] Note 2 - Reportable Segments us-gaap_DividendsPayableAmountPerShare Dividends Payable, Amount Per Share (in dollars per share) ecd_NonRule10b51ArrAdoptedFlag Non-Rule 10b5-1 Arrangement Adopted [Flag] Note 8 - Fair Value Measurements Stanley Speer [Member] Stanley Speer Trading Arrangements, by Individual [Table] Note 1 - Basis of Presentation - Components of Cash, Cash Equivalents and Restricted Cash (Details) us-gaap_PreferredStockRedemptionPricePerShare Preferred Stock, Redemption Price Per Share (in dollars per share) cdzi_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingInstallments Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Installments Number of installments over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition. Material Terms of Trading Arrangement [Text Block] Note 2 - Reportable Segments - Segment Information (Details) Note 2 - Reportable Segments - Assets by Operating Segment (Details) Note 2 - Reportable Segments - Goodwill by Operating Segment (Details) us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation (in shares) Note 2 - Reportable Segments - Property, Plant, Equipment and Water Programs (Details) Note 8 - Fair Value Measurements - Level 3 Liabilities (Details) Minimum [Member] Note 8 - Fair Value Measurements - Level 3 Liabilities (Details) (Parentheticals) Note 8 - Fair Value Measurements - Assets and Liabilities (Details) Depositary Shares [Member] Relating to the depositary shares. Statistical Measurement [Domain] Notes To Financial Statements Maximum [Member] Notes To Financial Statements [Abstract] Pipelines [Member] us-gaap_IncreaseDecreaseInAccountsReceivable Accounts receivable Counterparty Name [Axis] Income Tax Jurisdiction [Domain] Performance Shares [Member] us-gaap_DividendsCash Dividends, Cash Issuance of shares to lenders Value of stock issued during period to lenders. us-gaap_LesseeOperatingLeaseRemainingLeaseTerm Lessee, Operating Lease, Remaining Lease Term (Month) Northern Pipeline Agreement [Member] Relating to the Northern Pipeline Agreement. Issuance of shares to lenders (in shares) Stock Issued During Period, Shares, Issued to Lenders (in shares) Represents the number of shares issued to lenders during the period. Counterparty Name [Domain] cdzi_AdjustmentToAdditionalPaidinCapitalExtinguishmentOfDebt Adjustment to Additional Paid-in Capital, Extinguishment of Debt Amount of increase (decrease) in additional paid-in capital (APIC) from recognition of extinguishment of debt. cdzi_PolicyTable us-gaap_IncreaseDecreaseInInventories Inventories Heerema Warrant [Member] Relating to Heerema Warrant. us-gaap_SharesOutstanding Shares, Outstanding (in shares) Balance (in shares) Balance (in shares) Preferred stock, dividend rate Preferred Stock, Dividend Rate, Percentage cdzi_OperatingLeaseAnnualRentPayments Operating Lease, Annual Rent Payments Represents the amount of annual rent payments on operating leases. Segment Reporting [Text Block] us-gaap_IncreaseDecreaseInOtherAccruedLiabilities Other accrued liabilities Award Type [Axis] Segment Reporting [Table Text Block] Preferred stock Plan Name [Axis] us-gaap_Liabilities Total liabilities Plan Name [Domain] Segment Reporting, Reconciliation of Asset by Segment to Consolidated [Table Text Block] Hareema [Member] Represents information pertaining to Hareema. us-gaap_AllocatedShareBasedCompensationExpense Share-based Payment Arrangement, Expense us-gaap_LiabilitiesAndStockholdersEquity Total liabilities and stockholders’ deficit Title and Position [Axis] Segment Reporting [Table] us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets Prepaid expenses and other current assets Compensation charge for stock and share option awards Subsequent Event [Member] cdzi_ProceedsFromIssuanceOfCommonStockNet Proceeds from Issuance of Common Stock, Net The cash inflow from the additional capital contribution to the entity, net of costs incurred directly with the issuance of an equity security. Reclassification of dividends paid on 8.875% series A cumulative perpetual preferred shares Represents the reclassification of dividends paid in the adjustments to additional paid-in capital. Vesting Upon Price Hurdle of $13 Per Share [Member] Vesting Upon Price Hurdle of $13 Per Share. Lessee, Lease, Description [Table] Performance Stock Units [Member] Represents performance stock units. Share-Based Payment Arrangement [Text Block] cdzi_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsVestingPriceHurdle Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vesting, Price Hurdle (in dollars per share) Price hurtle for share award except for option under share-based compensation arrangement. Lease Contractual Term [Axis] Lease Contractual Term [Domain] Changes in operating assets and liabilities: us-gaap_IncreaseDecreaseInAccountsPayable Accounts payable Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued, Total (in shares) Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding (in shares) Lessee, Operating Leases and Property, Plant and Equipment Disclosure [Text Block] The entire disclosure for Lessee, operating leases and property, plant and equipment. us-gaap_PreferredStockLiquidationPreferenceValue Preferred Stock, Liquidation Preference, Value Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized (in shares) us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period (in shares) Long-Term Restricted Cash Long-term restricted cash Fair Value, by Balance Sheet Grouping [Table] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share (in dollars per share) Restricted Cash us-gaap_RestrictedCashCurrent Balance Balance us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue Derivative Liabilities us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect Net decrease in cash, cash equivalents and restricted cash Series A Preferred Stock [Member] Derivative liabilities New Accounting Pronouncements, Policy [Policy Text Block] us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations Cash, Cash Equivalents and Restricted Cash in the Consolidated Statement of Cash Flows Cash, cash equivalents and restricted cash, beginning of period Cash, cash equivalents and restricted cash, end of period Share-Based Payment Arrangement, Tranche One [Member] Statement [Table] California Franchise Tax Board [Member] Income Tax Authority, Name [Axis] Income Tax Authority, Name [Domain] Long-term deposit/prepaid expenses Share-Based Payment Arrangement, Tranche Two [Member] us-gaap_DerivativeLiabilities Derivative Liability us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in shares) us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period (in shares) cdzi_SharesIssuedForDebtAgreementShares Shares Issued For Debt Agreement, Shares (in shares) Number of shares issued in agreeance with the debt amendment. us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares) us-gaap_RepaymentsOfDebt Repayments of Debt us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue Lessee, Operating Lease, Liability, to be Paid us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent Operating Lease, Weighted Average Discount Rate, Percent Fenner Valley Farms LLC Lease Agreement [Member] Information related to the Fenner Valley Farms LLC lease agreement. Certain Institutional and Individual Investors [Member] The certain institutional and individual investors. us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) Proceeds from the issuance of long-term debt Proceeds from Issuance of Debt Total Debt [Member] Related to total debt. Commitments and Contingencies Disclosure [Text Block] Statement [Line Items] Liability Class [Axis] Fair Value Hierarchy and NAV [Axis] Common Stock, Shares, Issued (in shares) Grantee Status [Domain] Common Stock, Shares, Outstanding (in shares) Common Stock, Shares, Outstanding (in shares) Award Type [Domain] Share-Based Payment Arrangement, Employee [Member] Common Stock, Shares Authorized (in shares) Common Stock, Shares Authorized (in shares) Grantee Status [Axis] us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths Lessor, Operating Lease, Payment to be Received, Year One Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Common stock - $.01 par value; 125,000,000 shares authorized at June 30, 2026 and December 31, 2025; shares issued and outstanding – 84,161,245 at June 30, 2026 and 83,213,589 at December 31, 2025 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) Net proceeds from issuance of stock Schedule of Cash and Cash Equivalents [Table Text Block] Accounts payable us-gaap_PolicyTextBlockAbstract Accounting Policies us-gaap_DisclosureTextBlockAbstract Notes to Financial Statements us-gaap_TableTextBlock Notes Tables us-gaap_ProceedsFromLinesOfCredit Proceeds from Lines of Credit Subsequent Events [Text Block] Accrued liabilities Dividend payable Dividends Payable, Current Leasehold Improvements, Furniture, Fixtures [Member] Relating to leasehold improvements, furniture, and fixture. Significant Accounting Policies [Text Block] us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount Lessee, Operating Lease, Liability, Undiscounted Excess Amount Amortization of right-of-use asset Long-term operating lease liabilities Operating lease liabilities Current portion of long-term debt Long-term debt, net Derivative Financial Instruments, Liabilities [Member] Income Tax Jurisdiction, Domestic Federal [Member] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Income Tax Jurisdiction, Domestic State and Local [Member] Their Amended Credit Agreement [Member] The amended credit agreement. Secured Non Convertible Terms Loans [Member] Secured non convertible term loans. Senior Secured Convertible Terms Loans [Member] The senior secured convertible loan. Convertible Loans [Member] The convertible loans. us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings Unrealized gain on derivative liability cdzi_PercentOfCashFlowsReceivable Percent of Cash Flows Receivable The percent of cash flows receivable for the funder on the debt instrument. Lytton Agreement [Member] Lytton Agreement Statement of Stockholders' Equity [Abstract] cdzi_DebtInstrumentFundingFeeSharesPerOneMillionOfPrincipal Debt Instrument, Funding Fee Shares per One Million of Principal (in shares) The number of shares issued with the debt instrument as payment for funding fees. cdzi_DebtInstrumentCommitmentShares Debt Instrument, Commitment Shares (in shares) The number of shares committed on the debt instrument. Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] Statement of Cash Flows [Abstract] us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion Convertible Preferred Stock, Shares Issued upon Conversion (in shares) cdzi_DebtInstrumentExtensionFeeShares Debt Instrument, Extension Fee Shares (in shares) The shares issued on the debt instrument as payment for extension fees. Stockholders’ equity: Equity Components [Axis] us-gaap_IncreaseDecreaseInOperatingLeaseLiability Lease liabilities March 2025 Direct Offering [Member] In regards to the March 2025 Direct Offering. Equity Component [Domain] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 [Member] Equity [Text Block] Direct Offering [Member] Represents information related to direct offering. Fair Value, Inputs, Level 1 [Member] Additional Paid-in Capital [Member] Retained Earnings [Member] Cost of sales Cost of sales Interest expense added to loan principal Interest paid other than in cash added to the loan principal for example by issuing additional debt securities. As a noncash item, it is added to net income when calculating cash provided by or used in operations using the indirect method. New Loan [Member] Represents information related to New Loan. Non-milestone Restricted Stock Units (RSUs) [Member] Represents restricted sock units not related to completion of milestone. Property, plant, equipment and water programs, net Property, plant, and equipment, net cdzi_ProceedsFromIssuanceOfPreferredStockNetOfIssuanceCosts Proceeds From Issuance of Preferred Stock, Net of Issuance Costs The cash inflow from the issuance of preferred stock net of stock issuance costs. us-gaap_PropertyPlantAndEquipmentGross Property, plant, and equipment Interest expense added to lease liability Interest paid other than in cash added to the reporting entity's lease liability for example by issuing additional debt securities. As a noncash item, it is added to net income when calculating cash provided by or used in operations using the indirect method. us-gaap_CapitalExpendituresIncurredButNotYetPaid Capital Expenditures Incurred but Not yet Paid Subsequent Event Type [Domain] Subsequent Event [Table] Subsequent Event Type [Axis] Sale of Stock [Axis] Machinery and Equipment [Member] Fair Value Disclosures [Text Block] Gain (Loss) on Derivative Instruments, Net, Pretax Fair Value, by Balance Sheet Grouping [Table Text Block] Current liabilities: us-gaap_PaidInKindInterest Paid-in-Kind Interest us-gaap_LiabilitiesCurrent Total current liabilities Depository Shares [Member] Related to depository shares. cdzi_PreferredStockSharesPerDepositoryShare Preferred Stock, Shares Per Depository Share (in dollars per share) The preferred stock shares per depository shares. Accounts receivable us-gaap_PreferredStockLiquidationPreference Preferred Stock, Liquidation Preference Per Share (in dollars per share) Sale Including Overallotment Option [Member] Related to sale including overallotment option. cdzi_CommonStockOwnershipPercent Common Stock Ownership, Percent The percent of common stock ownership. cdzi_DebtInstrumentPrepayAmountPercentageOfTheCashProceedsReceived Debt Instrument, Prepay Amount, Percentage of the Cash Proceeds Received Represents percentage of the cash proceeds received required for prepay amount of the debt. Vesting Upon Achievement of Milestones [Member] Represents vesting upon achievement of milestones. Vesting Over Period From September 2024 to September 2027 [Member] Represents vesting over period from September 2024 to September 2027. Issuance After One Year of the Closing Date [Member] Represents issuance of the preferred stock is made after one year anniversary of the closing of the debt. cdzi_PreferredStockLiquidationPreferencePerSharePerYear Preferred Stock, Liquidation Preference Per Share Per Year The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares per year. Other Commitments [Table] us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment Less accumulated depreciation cdzi_ConversionOfStockSharesCap Conversion of Stock, Shares Cap (in shares) The cap number of shares converted in a noncash (or part noncash) transaction. cdzi_RightOfWayAgreementPeriod Right of Way Agreement, Period (Year) The period of the right of way agreement. General and administrative General and administrative us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest Loss before income taxes Additional paid-in capital Debt Disclosure [Text Block] Upon Change of Control [Member] Represents Upon change of control. Debt Conversion, Name [Domain] Debt Conversion Description [Axis] Long-term lease obligations with related party, net The amount of deposit liabilities of operating lease of the lessor. Prepaid expenses and other current assets us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1 Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) Outside Director [Member] Represents the outside director. Accrues Yearly [Member] Information about amounts that are shown as accruing on a yearly basis. Issuance of shares pursuant to direct offering us-gaap_PaymentsToAcquirePropertyPlantAndEquipment Additions to property, plant and equipment and water programs Stock-based compensation expense, net of taxes Accrues Quarterly [Member] Represents quarterly accrual. cdzi_WorkingCapital Working Capital Working capital. Two Thousand Nineteen Equity Incentive Plan [Member] Represents the 2019 equity incentive plan. cdzi_OpenTaxPeriod Open Tax Period (Year) The period of time that certain aspects of the business may be under review for tax purposes. us-gaap_DebtInstrumentFaceAmount Debt Instrument, Face Amount Current assets: us-gaap_AssetsCurrent Total current assets Stock-based compensation expense, net of taxes (in shares) Fair Value, Recurring and Nonrecurring [Table] Water Programs [Member] Water programs member. Issuance of shares pursuant to direct offering (in shares) Stock Issued During Period, Shares, New Issues (in shares) us-gaap_DebtInstrumentFeeAmount Debt Instrument, Fee Amount Restricted Stock Units (RSUs) [Member] Debt Instrument, Name [Domain] us-gaap_DebtInstrumentInterestRateStatedPercentage Debt Instrument, Interest Rate, Stated Percentage Fair Value Measurement Inputs and Valuation Techniques [Table] Depreciation us-gaap_Depreciation Depreciation us-gaap_DebtInstrumentInterestRateEffectivePercentage Debt Instrument, Interest Rate, Effective Percentage Class of Stock [Domain] us-gaap_AdjustmentsToAdditionalPaidInCapitalDividendsInExcessOfRetainedEarnings Dividends declared on 8.875% series A cumulative perpetual preferred shares ($560 per share) us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares) Schedule of Long-Term Debt Instruments [Table] Debt Instrument [Axis] Cash flows from operating activities: Cash flows from investing activities: us-gaap_NetCashProvidedByUsedInOperatingActivities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Net cash used in operating activities Cash flows from financing activities: us-gaap_NetCashProvidedByUsedInInvestingActivities Net cash used in investing activities us-gaap_SharesIssuedPricePerShare Shares Issued, Price Per Share (in dollars per share) us-gaap_NetCashProvidedByUsedInFinancingActivities Net cash provided by financing activities cdzi_ProceedsFromIssuanceOfCommonStockGross Proceeds from Issuance of Common Stock, Gross The cash inflow before any costs from the issuance of common stock. Consultants [Member] Represents consultants. us-gaap_LiabilitiesFairValueDisclosure Total Liabilities Accounting Policies [Abstract] Segments [Domain] Mojave Groundwater Bank [Member] Represents Mojave Groundwater Bank. Segments [Axis] cdzi_TaxExpenseBenefitAndFilingFees Income tax expense Amount of current tax expense (benefit) and deferred tax expense (benefit) pertaining to continuing operations, including filing fees. Employees [Member] Information pertaining to employees. Internal Revenue Service (IRS) [Member] Income Statement [Abstract] us-gaap_NumberOfOperatingSegments Number of Operating Segments us-gaap_NumberOfReportableSegments Number of Reportable Segments Series 1 Preferred Stock [Member] Represents series 1 preferred stock. Net loss and comprehensive loss Net Income (Loss) Attributable to Parent Net loss and comprehensive loss us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic Net loss and comprehensive loss applicable to common stock Costs and expenses: us-gaap_AreaOfRealEstateProperty Area of Real Estate Property (Acre) us-gaap_DebtConversionConvertedInstrumentSharesIssued1 Debt Conversion, Converted Instrument, Shares Issued (in shares) us-gaap_ConversionOfStockSharesConverted1 Conversion of Stock, Shares Converted (in shares) us-gaap_ConversionOfStockSharesIssued1 Conversion of Stock, Shares Issued (in shares) Total costs and expenses us-gaap_CostsAndExpenses Total costs and expenses Income Tax Disclosure [Text Block] Accounting Standards Update and Change in Accounting Principle [Table] us-gaap_DeferredTaxAssetsLiabilitiesNet Deferred Tax Assets, Net, Total cdzi_GainsLossesOnDebtConversionAndExtinguishmentOfDebt Additions to deposits for asset purchase options The amount of gains (loss) on conversion and extinguishment of debt during the period. us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued Adjustments to Additional Paid in Capital, Warrant Issued Fair Value Hierarchy and NAV [Domain] us-gaap_OpenTaxYear Open Tax Year us-gaap_RepaymentsOfLongTermDebt Principal payments on long-term debt Vesting [Axis] Statement of Financial Position [Abstract] Vesting [Domain] Depreciation Depreciation Other assets Deferred revenue us-gaap_IncreaseDecreaseInDeferredRevenue us-gaap_DeferredRevenue Deferred Revenue us-gaap_IncreaseDecreaseInOtherOperatingAssets Other assets Document Type us-gaap_LessorOperatingLeaseTermOfContract Lessor, Operating Lease, Term of Contract (Year) Document Information [Line Items] Document Quarterly Report Deferred revenue us-gaap_DeferredRevenueNoncurrent Document Information [Table] Deferred revenue us-gaap_DeferredRevenueCurrent us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) Entity Interactive Data Current Document Transition Report Antidilutive Security, Excluded EPS Calculation [Table] Basic and diluted net loss per common share (in dollars per share) Employees and Consultants [Member] Employees and Consultants Effective Income Tax Rate Reconciliation [Table] Title and Position [Domain] us-gaap_OfficersCompensation Salary and Wage, Officer, Excluding Cost of Good and Service Sold Income Tax Jurisdiction [Axis] Amortization of debt discount and issuance costs Amortization of Debt Discount (Premium) cdzi_DerivativeLiabilityReclassifiedToApicForSettlementOfFundingFeeShares Derivative Liability Reclassified to APIC for Settlement of Funding Fee Shares Represents the amount of derivative liability reclassified to APIC for the settlement of funding fee shares. Liquidity Accounting Policy Disclosure [Policy Text Block] Disclosure of accounting policy for reporting when there is a substantial doubt about an entity's ability to continue as a going concern for a reasonable period of time (generally a year from the balance sheet date). Disclose: (a) pertinent conditions and events giving rise to the assessment of substantial doubt about the entity's ability to continue as a going concern for a reasonable period of time, (b) the possible effects of such conditions and events, (c) management's evaluation of the significance of those conditions and events and any mitigating factors, (d) possible discontinuance of operations, (e) management's plans (including relevant prospective financial information), and (f) information about the recoverability or classification of recorded asset amounts or the amounts or classification of liabilities. If management's plans alleviate the substantial doubt about the entity's ability to continue as a going concern, disclosure of the principal conditions and events that initially raised the substantial doubt about the entity's ability to continue as a going concern would be expected to be considered. Disclose whether operations for the current or prior years generated sufficient cash to cover current obligations, whether waivers were obtained from creditors relating to the company's default under the provisions of debt agreements and possible effects of such conditions and events, such as: whether there is a possible need to obtain additional financing (debt or equity) or to liquidate certain holdings to offset future cash flow deficiencies. Disclose appropriate parent company information when parent is dependent upon remittances from subsidiaries to satisfy its obligations. us-gaap_ProceedsFromLeasePayments Long-term Debt, Total Document Fiscal Period Focus Document Fiscal Year Focus Amendment Flag Common Stock [Member] Goodwill Goodwill Document Period End Date Building [Member] Long-Lived Asset, Class [Domain] us-gaap_VariableLeaseCost Variable Lease, Cost Legal Entity [Axis] us-gaap_OperatingLeaseCost Operating Lease, Cost us-gaap_LeaseCost Lease, Cost Construction in Progress [Member] Entity File Number Entity Tax Identification Number Entity [Domain] Entity Central Index Key Entity Registrant Name us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAcceleratedVestingNumber Share-Based Compensation Arrangement by Share-Based Payment Award, Accelerated Vesting, Number (in shares) Entity Current Reporting Status Entity Incorporation, State or Country Code Land and Land Improvements [Member] Current Fiscal Year End Date Entity Filer Category Dividends declared (in dollars per share) Entity Shell Company Entity Emerging Growth Company Entity Small Business Operating (loss) income us-gaap_OperatingIncomeLoss Operating loss us-gaap_OperatingLossCarryforwards Operating Loss Carryforwards us-gaap_PreferredStockDividendsIncomeStatementImpact Less: Preferred stock dividend us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet Unrealized gain on derivative liability us-gaap_InterestExpense Interest expense, net Revenues Total revenues Entity Address, State or Province Entity Address, City or Town us-gaap_DerivativeLiabilitiesCurrent Derivative Liability, Current Reclassification of derivative liabilities to additional paid-in capital Represents the reclassification of fair value of liabilities on a recurring basis. Accumulated deficit us-gaap_RetainedEarningsAccumulatedDeficit Entity Address, Address Line One City Area Code us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation Taxes paid related to net share settlement of equity awards Conversion of Convertible Senior Notes 2020 into Preferred Stock [Member] Information pertaining to the conversion of Convertible Senior Notes 2020 into preferred stock. Local Phone Number Entity Address, Postal Zip Code Preferred Stock [Member] Title of 12(b) Security Security Exchange Name cdzi_DerivativeLiabilitySharesIssuablePerMillionOfPrincipalFunded Derivative Liability, Shares Issuable per Million of Principal Funded (in shares) The number of shares issued per one million dollars of principal funded. Trading Symbol us-gaap_DebtInstrumentConvertibleConversionPrice1 Debt Instrument, Convertible, Conversion Price (in dollars per share) Class of Stock [Axis] Entity Common Stock, Shares Outstanding Earnings Per Share [Text Block] Chief Operating Officer [Member] Chief Executive Officer [Member] Director [Member] Basic and diluted weighted average shares outstanding (in shares) Scenario [Axis] Scenario [Domain] Forecast [Member] Common Stock, Par Value (in dollars per share) Common Stock, Par or Stated Value Per Share (in dollars per share) Basis of Accounting, Policy [Policy Text Block] cdzi_DebtInstrumentPrincipalAmountWithInterestPaidInKind Debt Instrument, Principal Amount with Interest Paid in Kind Amount of principal on debt instrument on which interest is to be paid in kind Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] cdzi_DebtInstrumentPrincipalAmountWithInterestPaidInCash Debt Instrument, Principal Amount with Interest Paid in Cash Amount of principal of debt instrument in which interest is to be paid in cash. cdzi_DebtInstrumentConvertibleMaximumAmount Debt Instrument, Convertible, Maximum Amount Maximum amount of the debt instrument that can be converted. Long-Lived Asset, Class [Axis] Sale of Stock [Domain] Water Treatment [Member] Represents Water Treatment. Assets us-gaap_Assets Total assets Cash and Cash Equivalents, Policy [Policy Text Block] Water and Land Resources [Member] Represents Water and Land Resources. Cash and cash equivalents Cash and Cash Equivalents Vesting Net of Taxes Withheld and Paid in Cash [Member] The shares which vested net of taxes and were paid in cash by the company. us-gaap_EnvironmentalCostsRecognizedCapitalized Environmental Costs Recognized, Capitalized Fair Value by Liability Class [Domain] us-gaap_InterestPaidNet Interest Paid, Excluding Capitalized Interest, Operating Activity Inventories us-gaap_StockholdersEquity Total stockholders’ equity Balance Balance Goodwill [Table Text Block] us-gaap_PaymentsOfDividends Payments of Dividends Dividend payments us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities Payment for contingent consideration liabilities Stock, Class of Stock [Table] Right-of-use asset Operating Lease, Right-of-Use Asset Other long-term liabilities cdzi_OperatingLeaseAnnualRentIncreasePercent Operating Lease, Annual Rent Increase, Percent The percentage at which rent annually increases. Jacinto Hernandez [Member] Jacinto Hernandez ecd_Rule10b51ArrTrmntdFlag Rule 10b5-1 Arrangement Terminated [Flag] Property, Plant, and Equipment [Table Text Block] ecd_Rule10b51ArrAdoptedFlag Rule 10b5-1 Arrangement Adopted [Flag] Commitments and contingencies (Note 10)