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v3.23.1

Summary of Significant Accounting Policies - Summary of Average Estimated Useful Lives of Assets (Detail) | 12 Months Ended
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Dec. 31, 2022
Laboratory equipment [Member] |
Property Plant And Equipment [Line Items] |
Property and equipment, estimated useful lives | 5 years
Software and computer equipment [Member] |
Property Plant And Equipment [Line Items] |
Property and equipment, estimated useful lives | 3 years
Machinery and equipment [Member] | Minimum [Member] |
Property Plant And Equipment [Line Items] |
Property and equipment, estimated useful lives | 2 years
Machinery and equipment [Member] | Maximum [Member] |
Property Plant And Equipment [Line Items] |
Property and equipment, estimated useful lives | 20 years
Furniture and fixtures [Member] |
Property Plant And Equipment [Line Items] |
Property and equipment, estimated useful lives | 7 years
Vehicles [Member] |
Property Plant And Equipment [Line Items] |
Property and equipment, estimated useful lives | 5 years
Leasehold improvements [Member] | Minimum [Member] |
Property Plant And Equipment [Line Items] |
Property and equipment, estimated useful lives | 2 years
Leasehold improvements [Member] | Maximum [Member] |
Property Plant And Equipment [Line Items] |
Property and equipment, estimated useful lives | 10 years

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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 No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=rkda_SoftwareAndComputerEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_MachineryAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_FurnitureAndFixturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_VehiclesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LeaseholdImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |