Collaborative Arrangements	3 Months Ended
Mar. 31, 2019
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Collaborative Arrangements	6. Collaborative Arrangements In August 2017, the Company entered into a collaborative arrangement for the research, development and commercialization of an improved wheat quality trait in North America. This collaborative arrangement is a contractual agreement with Dow AgroSciences, LLC (“Dow”) and involves a joint operating activity where both Arcadia and Dow are active participants in the activities of the collaboration. Arcadia and Dow participate in the research and development, and Arcadia has the primary responsibility for the intellectual property strategy while Dow will generally lead the marketing and commercialization efforts. Both parties are exposed to significant risks and rewards of the collaboration and the agreement includes both cost sharing and profit sharing. The activities are performed with no guarantee of either technological or commercial success. The Company accounts for research and development (“R&D”) costs in accordance ASC 730, Research and Development, which states R&D costs must be charged to expense as incurred. Accordingly, internal R&D costs are expensed as incurred. Third-party R&D costs are expensed when the contracted work has been performed or as milestone results are achieved.

Collaborative Arrangements

3 Months Ended

Mar. 31, 2019

Organization Consolidation And Presentation Of Financial Statements [Abstract]

6. Collaborative Arrangements

In August 2017, the Company entered into a collaborative arrangement for the research, development and commercialization of an improved wheat quality trait in North America. This collaborative arrangement is a contractual agreement with Dow AgroSciences, LLC (“Dow”) and involves a joint operating activity where both Arcadia and Dow are active participants in the activities of the collaboration. Arcadia and Dow participate in the research and development, and Arcadia has the primary responsibility for the intellectual property strategy while Dow will generally lead the marketing and commercialization efforts. Both parties are exposed to significant risks and rewards of the collaboration and the agreement includes both cost sharing and profit sharing. The activities are performed with no guarantee of either technological or commercial success.

The Company accounts for research and development (“R&D”) costs in accordance ASC 730, Research and Development, which states R&D costs must be charged to expense as incurred. Accordingly, internal R&D costs are expensed as incurred. Third-party R&D costs are expensed when the contracted work has been performed or as milestone results are achieved.