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Note 1 - Description of Business (Details Textual) | Dec. 31, 2015 a
--- | ---
Agricultural [Member] |
Area of Land | 34,000
Area of Land | 45,000

X
- Definition Area of land held. + References No definition available. + Details
Name: | us-gaap_AreaOfLand
Namespace Prefix: | us-gaap_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=cdzi_AgriculturalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |