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Note 4 - Collaboration Revenue - Schedule of Collaboration Revenue (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Nov. 30, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Proceeds from issuance of contingently redeemable noncontrolling interests, net of issuance cost		$ 0	$ 5,233	$ 0
SEED Therapeutics Inc. [Member] | Research Collaboration and License Agreement with Eli Lilly [Member]
Collaboration arrangement	$ 10,000		9,455
Proceeds from issuance of contingently redeemable noncontrolling interests, net of issuance cost			5,267
Fair value of the Forward (Note 16)			278
Total cash proceeds			$ 15,000

X

- Definition

The amount of upfront cash payment from collaborative arrangement.

+ References

No definition available.

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- Definition

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+ References

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- Definition

The cash inflow from issuance of redeemable noncontrolling interests.

+ References

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- Definition

The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585

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