Inventory - Summary of Inventories (Detail) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Inventory Disclosure [Abstract]
Raw materials	$ 502	$ 484
Goods in process	44	55
Finished goods	4,463	4,773
Inventories	$ 5,009	$ 5,312

Inventory goods ion process current and non current.

No definition available.

Name:	rkda_InventoryGoodsInProcessCurrentAndNonCurrent
Namespace Prefix:	rkda_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant