The maximum aggregate offering price of common stock to be issued pursuant to the At Market Issuance Sales Agreement.

No definition available.

Name:	cdzi_AtMarketIssuanceSalesAgreementMaximumAggregateOfferingPrice
Namespace Prefix:	cdzi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The percentage of parties holding convertible notes that the company has entered into option agreements with.

+ References

No definition available.

+ Details

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

- Definition

The cash inflow before any costs from the issuance of common stock.

+ References

No definition available.

+ Details

Name:	cdzi_ProceedsFromIssuanceOfCommonStockGross
Namespace Prefix:	cdzi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow from the additional capital contribution to the entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585

+ Details

Name:	us-gaap_ProceedsFromIssuanceOfCommonStock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number of new stock issued during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=cdzi_November2018AtmOfferingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 13 - Subsequent Events (Details Textual) - USD ($)	1 Months Ended	2 Months Ended		12 Months Ended
Note 13 - Subsequent Events (Details Textual) - USD ($)	Mar. 31, 2018	Feb. 28, 2019	Dec. 31, 2018	Dec. 31, 2018	Dec. 31, 2017	Mar. 17, 2019	Nov. 30, 2018
Proceeds from Issuance of Common Stock				$ 15,503,000
Subsequent Event [Member]
Convertible Debt, Option Agreements, Percentage						95.00%
November 2018 ATM Offering [Member]
At Market Issuance Sales Agreement, Maximum Aggregate Offering Price	$ 15,000,000						$ 25,000,000
Stock Issued During Period, Shares, New Issues	1,159,718		97,106
Proceeds from Issuance of Common Stock, Gross	$ 15,000,000		$ 1,050,000
Proceeds from Issuance of Common Stock	$ 14,600,000		$ 900,000
November 2018 ATM Offering [Member] \| Subsequent Event [Member]
Stock Issued During Period, Shares, New Issues		782,814
Proceeds from Issuance of Common Stock, Gross		$ 8,080,000
Proceeds from Issuance of Common Stock		$ 7,920,000