Exercise term of warrants or rights issued during period.

No definition available.

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Balance Type:	na
Period Type:	duration

- Definition

The percentage of compounded annual return related to a lease agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	cdzi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Term of lease agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	cdzi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The sale price of the leased property.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The maximum reimbursement amount paid by the lessee which relates to pipeline development expenses from the leased property.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The future minimum amount payment by the lessee.

+ References

No definition available.

+ Details

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Namespace Prefix:	cdzi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage of all future quarterly interest payments in cash.

+ References

No definition available.

+ Details

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Namespace Prefix:	cdzi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the annual percentage reimbursement of water related infrastructure on the leased property.

+ References

No definition available.

+ Details

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Namespace Prefix:	cdzi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The period after the effective date of the lease that the lessor can terminate the lease.

+ References

No definition available.

+ Details

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Namespace Prefix:	cdzi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

Name:	us-gaap_AreaOfRealEstateProperty
Namespace Prefix:	us-gaap_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(2))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of a favorable spread to a debt holder between the amount of debt being converted and the value of the securities received upon conversion. This is an embedded conversion feature of convertible debt issued that is in-the-money at the commitment date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21538-112644

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-Publisher FASB
-Name Accounting Standards Codification
-Glossary Beneficial Conversion Feature
-URI http://asc.fasb.org/extlink&oid=6505963

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The price per share of the conversion feature embedded in the debt instrument.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6928298&loc=SL6031898-161870

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Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of the fee that accompanies borrowing money under the debt instrument.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount, after accumulated amortization, of debt discount.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
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-Paragraph 1A
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Subparagraph (SX 210.5-02(22))
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Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

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-SubTopic 10
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Number of new stock issued during the period.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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- Details

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Period Type:

- Details

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Period Type:

- Details

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Note 6 - Long-term Debt and Lease Obligation (Details Textual)				1 Months Ended		12 Months Ended
	Nov. 29, 2016 USD ($) $ / shares shares	Apr. 28, 2016 USD ($)	Feb. 08, 2016 USD ($) a	Nov. 30, 2016 USD ($) shares	Apr. 30, 2016 USD ($)	Dec. 31, 2016 USD ($) shares	Feb. 25, 2016 USD ($)	Dec. 31, 2015 USD ($) $ / shares	Nov. 30, 2015 USD ($)
Long-term Debt						$ 125,403,000
Percentage of Future Quarterly Interest Payments						50.00%
Debt Instrument, Unamortized Discount						$ 10,572,000		$ 7,564,000
Shares Issued to Lenders [Member]
Stock Issued During Period, Shares, New Issues \| shares	357,500			357,500		46,236
Class of Warrant or Right, Number of Securities Called by Warrants or Rights \| shares	357,500
Debt Instrument, Unamortized Discount	$ 3,400,000			$ 3,400,000
Class of Warrant or Right, Term	5 years
Class of Warrant or Right, Exercise Price of Warrants or Rights \| $ / shares	$ 0.01
Fenner Valley Farms LLC [Member]
Lease Term			99 years
Area of Real Estate Property \| a			2,100
Termination Period After Lease Effective Date			20 years
Lease Compounded Annual Return, Percentage			10.00%
Minimum Future Payments from Leases Held for Investment			$ 14,400,000
Reimbursement of Water Related Infrastructure from Leased Property, Annual Percentage			8.00%
Maximum Reimbursement of Pipeline Related Development Expenses from Leased Property			$ 3,000,000
Leased Property, Sale Price			1
Long-term Debt			12,000,000
Legal Fees			490,000
Senior Secured Debt [Member]
Debt Instrument, Fee Amount							$ 2,250,000		$ 2,250,000
Repayments of Senior Debt			$ 10,500,000
Percentage of Future Quarterly Interest Payments			50.00%
2020 Convertible Senior Notes [Member] \| Investors [Member]
Debt Instrument, Fee Amount		$ 400,000
Debt Instrument, Unamortized Discount		2,000,000
Unsecured Debt		$ 10,000,000			$ 10,000,000
Debt Instrument, Interest Rate, Stated Percentage		7.00%			7.00%
Proceeds from Issuance of Debt		$ 8,000,000
Debt Instrument, Convertible, Conversion Price \| $ / shares								$ 6.75
Debt Instrument, Convertible, Beneficial Conversion Feature		$ 1,480,000			$ 1,480,000