Commitments and Contingencies - Credit Facility (Details) $ in Millions	Jun. 30, 2017 USD ($)
Term Debt
Debt Instrument [Line Items]
Borrowing capacity	$ 10.0
Term Debt \| Repayment Period 1
Debt Instrument [Line Items]
Prepayment fee percentage	2.00%
Term Debt \| Repayment Period 2
Debt Instrument [Line Items]
Prepayment fee percentage	1.00%
Term Debt \| Repayment Period 3
Debt Instrument [Line Items]
Prepayment fee percentage	5.50%
Revolving Line of Credit
Debt Instrument [Line Items]
Borrowing capacity	$ 5.0
Accounts receivable borrowing base	80.00%
Stated interest rate	5.00%
Revolving Line of Credit \| Repayment Period 4
Debt Instrument [Line Items]
Prepayment fee percentage	3.00%
Revolving Line of Credit \| Repayment Period 5
Debt Instrument [Line Items]
Prepayment fee percentage	2.00%
Revolving Line of Credit \| Repayment Period 6
Debt Instrument [Line Items]
Prepayment fee percentage	1.00%
LIBOR \| Term Debt
Debt Instrument [Line Items]
Basis spread on variable rate	3.60%
Prime Rate \| Revolving Line of Credit
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%

Line of Credit Facility, Accounts Receivable Borrowing Base Percentage

No definition available.

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

- Definition

Line of Credit Facility, Prepayment Fee Percentage

+ References

No definition available.

+ Details

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

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- 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

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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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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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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