Note 12 - Noncontrolling Interests (Details Textual) - SEED Therapeutics Inc. [Member] $ / shares in Units, $ in Millions	Nov. 12, 2020 USD ($) $ / shares
Share Price (in dollars per share) \| $ / shares	$ 7.5375
Proceeds from Issuance Initial Public Offering \| $	$ 50

The cash inflow associated with the amount received from entity's first offering of stock to the public.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 14
-Subparagraph (a)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-14

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