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Collaborative Arrangements - Commercial Agreement (Details) - Tate & Lyle - Commercial Agreement - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Nov. 30, 2020
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |
Contingent receivable |  | $ 1.1
Milestone payment amount | $ 0.4 |

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- Definition Receivable From Collaborative Arrangement + References No definition available. + Details
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Namespace Prefix: | cdxs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Revenue Recognition, Contingent Receivable + References No definition available. + Details
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Namespace Prefix: | cdxs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 808 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479402/808-10-50-1 + Details
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- Details
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Namespace Prefix: |
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Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |