General (Details)	12 Months Ended
Dec. 31, 2021
Disclosure of general information about financial statements [text block] [Abstract]
Agreement on initiation of sales, description	Commencing 2022, Takeda will pay royalties to the Company at a rate of 12% on GLASSIA’s net sales through August 2025, and at a rate of 6% thereafter until 2040, with a minimum of $5 million annually.
Operating segment, description	The Company’s activity is divided into two operating segments:
Subsidiary ownership interest, percentage	74.00%

The description of the contractual agreement or stated policy for charging the net defined benefit cost, or the fact that there is no such policy, for an entity participating in defined benefit plans that share risks between various entities under common control. [Refer: Defined benefit plans that share risks between entities under common control [member]]

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The description of the reportable segment to which an individual asset belongs. [Refer: Impairment loss]

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The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]]

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