Percent of Voting Interests Threshold to trigger higher exercise price

No definition available.

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

- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock Above Minimum Threshold, Percent

+ References

No definition available.

+ Details

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

- Definition

Sharebased Compensation Arrangement By Sharebased Payment Award Award Future Vesting Rights Percentage

+ References

No definition available.

+ Details

Name:	cdxs_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardFutureVestingRightsPercentage
Namespace Prefix:	cdxs_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Estimated Performance Goal Achievement Rate

+ References

No definition available.

+ Details

Name:	cdxs_SharebasedCompensationArrangementbySharebasedPaymentAwardEstimatedPerformanceGoalAchievementRate
Namespace Prefix:	cdxs_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Performance Awards, Threshold Level, Number of Shares, Multiplier

+ References

No definition available.

+ Details

Name:	cdxs_SharebasedCompensationArrangementbySharebasedPaymentAwardPerformanceAwardsThresholdLevelNumberofSharesMultiplier
Namespace Prefix:	cdxs_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

The maximum number of shares authorized for issuance under the deferred compensation arrangement as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

Name:	us-gaap_DeferredCompensationArrangementWithIndividualSharesAuthorizedForIssuance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

Name:	us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Unrecognized cost of unvested options awarded to employees as compensation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

Name:	us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

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

- 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

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

- Definition

Percentage of vesting of share-based compensation awards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

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

- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

Name:	us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Purchase price of common stock expressed as a percentage of its fair value.

+ References

No definition available.

+ Details

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

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=cdxs_RSAsandRSUsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=cdxs_PerformanceStockUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=cdxs_PerformanceBasedOptionsPBOsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=cdxs_IncentiveStockOptionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=cdxs_NonStatutoryStockOptionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=cdxs_A2016PSUPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VestingAxis=cdxs_SharebasedCompensationAwardTrancheSixMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=cdxs_TwoThousandTenPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=cdxs_A2015PSUPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=cdxs_A2017PSUandPBOPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=cdxs_A2017PSUPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=cdxs_A2017PBOPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Stock-Based Compensation - Textual (Details) $ in Millions	1 Months Ended	3 Months Ended		6 Months Ended	12 Months Ended
Stock-Based Compensation - Textual (Details) $ in Millions	Mar. 31, 2010 shares	Mar. 31, 2017	Jun. 30, 2016	Jun. 30, 2017 USD ($)	Dec. 31, 2016 shares	Dec. 31, 2015 shares	Mar. 31, 2016
Stock options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of voting interests	10.00%
Purchase price of common stock above minimum threshold	110.00%
Expiration period	10 years
Award vesting period	4 years
Compensation not yet recognized, stock options				$ 3.2
Stock options [Member] \| Performance Goal: Threshold Level [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights	75.00%
Stock options [Member] \| Performance Goal: Superior Level [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights	25.00%
RSAs and RSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation not yet recognized, share-based awards other than options				2.2
Restricted Stock Units (RSUs) [Member] \| Performance Goal: Threshold Level [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	3 years
Award vesting rights	33.3333%
Restricted Stock Units (RSUs) [Member] \| Performance Goal: Target Level [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	4 years
Award vesting rights	25.00%
Performance stock units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation not yet recognized, share-based awards other than options				0.9
Performance Based Options (PBOs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation not yet recognized, share-based awards other than options				$ 1.6
Minimum [Member] \| Incentive Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Purchase price of common stock	100.00%
Minimum [Member] \| Non-Statutory Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Purchase price of common stock	85.00%
2016 PSU Plan [Member] \| Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights		50.00%
Future vesting rights percentage				50.00%
PBOs granted in period (shares) \| shares					0
Estimated performance goal achievement rate		142.30%
2016 PSU Plan [Member] \| Performance Shares [Member] \| Second Year Vesting Period [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Future vesting rights percentage			50.00%
2016 PSU Plan [Member] \| Minimum [Member] \| Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance awards, threshold level, number of shares, multiplier			0
2010 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for future issuance (shares) \| shares	1,100,000
2015 PSU Plan [Member] \| Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Future vesting rights percentage							92.80%
PBOs granted in period (shares) \| shares						0
2015 PSU Plan [Member] \| Performance Shares [Member] \| Second Year Vesting Period [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Future vesting rights percentage				50.00%
2017 PSU and PBO Plan [Member] \| Performance Shares [Member] \| Second Year Vesting Period [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Future vesting rights percentage				50.00%
2017 PSU and PBO Plan [Member] \| Performance Based Options (PBOs) [Member] \| Second Year Vesting Period [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Estimated performance goal achievement rate				119.00%
2017 PSU Plan [Member] \| Maximum [Member] \| Performance Shares [Member] \| Performance Goal: Threshold Level [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance awards, threshold level, number of shares, multiplier				0.5
2017 PSU Plan [Member] \| Maximum [Member] \| Performance Shares [Member] \| Performance Goal: Target Level [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance awards, threshold level, number of shares, multiplier				1
2017 PSU Plan [Member] \| Maximum [Member] \| Performance Shares [Member] \| Performance Goal: Superior Level [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance awards, threshold level, number of shares, multiplier				2
2017 PBO Plan [Member] \| Maximum [Member] \| Performance Shares [Member] \| Performance Goal: Threshold Level [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance awards, threshold level, number of shares, multiplier				0.25
2017 PBO Plan [Member] \| Maximum [Member] \| Performance Shares [Member] \| Performance Goal: Target Level [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance awards, threshold level, number of shares, multiplier				0.5
2017 PBO Plan [Member] \| Maximum [Member] \| Performance Shares [Member] \| Performance Goal: Superior Level [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance awards, threshold level, number of shares, multiplier				1