Business combination consideration transferred remaining amount.

No definition available.

Name:	rkda_BusinessCombinationConsiderationTransferredRemainingAmount
Namespace Prefix:	rkda_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Business combination, equity interest issuable upon achievement of revenue milestone share.

+ References

No definition available.

+ Details

Name:	rkda_BusinessCombinationEquityInterestIssuableUponAchievementOfRevenueMilestoneShare
Namespace Prefix:	rkda_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Commitments and contingencies line items.

+ References

No definition available.

+ Details

Name:	rkda_CommitmentsAndContingenciesLineItems
Namespace Prefix:	rkda_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of annual installment of common stock, shares payable.

+ References

No definition available.

+ Details

Name:	rkda_NumberOfAnnualInstallmentOfCommonStockSharesPayable
Namespace Prefix:	rkda_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of technology development programs.

+ References

No definition available.

+ Details

Name:	rkda_NumberOfTechnologyDevelopmentPrograms
Namespace Prefix:	rkda_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of technology development programs ceased.

+ References

No definition available.

+ Details

Name:	rkda_NumberOfTechnologyDevelopmentProgramsCeased
Namespace Prefix:	rkda_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Royalty Payments Due, Percentage Of Net Revenue As Defined In Agreements

+ References

No definition available.

+ Details

Name:	rkda_RoyaltyPaymentsDuePercentageOfNetRevenueAsDefinedInAgreements
Namespace Prefix:	rkda_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Date when the acquirer obtains control of the acquiree, in YYYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 7
-URI https://asc.fasb.org/extlink&oid=123586518&loc=d3e848-128460

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=123586518&loc=d3e845-128460

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

+ Details

Name:	us-gaap_BusinessAcquisitionEffectiveDateOfAcquisition1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 4
-Subparagraph (a)(1)
-URI https://asc.fasb.org/extlink&oid=126975305&loc=d3e7008-128479

+ Details

Name:	us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI https://asc.fasb.org/extlink&oid=126975305&loc=d3e6927-128479

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 35
-Paragraph 1
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126966325&loc=d3e6819-128478

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 25
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476

+ Details

Name:	us-gaap_BusinessCombinationContingentConsiderationLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918673-209980

+ Details

Name:	us-gaap_LesseeOperatingLeaseTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.24)
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_OtherLiabilitiesNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_BusinessAcquisitionAxis=rkda_AnawahIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=rkda_IndustrialSeedInnovationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=rkda_AchievementOfRevenueMilestoneIn2022Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Commitments and Contingencies - Additional Information (Detail)	1 Months Ended	3 Months Ended		12 Months Ended
	Aug. 31, 2020 USD ($) Installment shares	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2010 USD ($) Program	Dec. 31, 2022 USD ($)	Jun. 30, 2005 USD ($)
Commitments And Contingencies [Line Items]
Other noncurrent liability		$ 2,000,000			$ 2,000,000
Change in fair value of contingent consideration		$ 0	$ (31,000)
Anawah, Inc [Member]
Commitments And Contingencies [Line Items]
Contingent liability				$ 3,000,000.0		$ 5,000,000.0
Date of merger and reorganization		Jun. 30, 2005
Number of development programs ceased \| Program				3
Number of development programs \| Program				6
Other noncurrent liability		$ 2,000,000.0
Industrial Seed Innovations [Member]
Commitments And Contingencies [Line Items]
Remaining amount paid in multiple installments	$ 280,000
Industrial Seed Innovations [Member] \| Common Stock [Member]
Commitments And Contingencies [Line Items]
Number of annual installment of common stock shares payable \| Installment	2
Minimum [Member]
Commitments And Contingencies [Line Items]
Operating leases, term of contract		1 year
Royalty payments due, percentage of net revenue as defined in the In-Licensing agreements		2.00%
Minimum [Member] \| Industrial Seed Innovations [Member]
Commitments And Contingencies [Line Items]
Operating leases, term of contract		1 year
Maximum [Member]
Commitments And Contingencies [Line Items]
Operating leases, term of contract		5 years
Royalty payments due, percentage of net revenue as defined in the In-Licensing agreements		15.00%
Maximum [Member] \| Industrial Seed Innovations [Member]
Commitments And Contingencies [Line Items]
Operating leases, term of contract		3 years
Maximum [Member] \| Industrial Seed Innovations [Member] \| Common Stock [Member] \| Revenue Milestone in 2022 [Member]
Commitments And Contingencies [Line Items]
Business combination, equity interest issuable upon achievement of revenue milestone \| shares	3,316