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Note 11 - Subsequent Events (Details Textual) - Lytton Agreement [Member] - Subsequent Event [Member] $ in Millions	Oct. 27, 2025 USD ($) shares
Debt Instrument, Face Amount | $	$ 51
Debt Instrument, Interest Rate, Stated Percentage	8.00%
Debt Instrument, Commitment Shares (in shares)	600,000
Debt Instrument, Funding Fee Shares (in shares)	25,000
Debt Instrument, Extension Fee Shares (in shares)	800,000
Percent of Cash Flows Receivable	51.00%

X

- Definition

The number of shares committed on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	cdzi_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The shares issued on the debt instrument as payment for extension fees.

+ References

No definition available.

+ Details

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Namespace Prefix:	cdzi_
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Balance Type:	na
Period Type:	instant

X

- Definition

The number of shares issued with the debt instrument as payment for funding fees.

+ References

No definition available.

+ Details

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Namespace Prefix:	cdzi_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The percent of cash flows receivable for the funder on the debt instrument.

+ References

No definition available.

+ Details

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Balance Type:	na
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X

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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Balance Type:	credit
Period Type:	instant

X

- Definition

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

+ References

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X

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

X

- Details

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