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The percentage of milestone payments that will be paid to related parties.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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Acquisition of Pelican Therapeutics (Details) - USD ($) $ in Millions	1 Months Ended
	Jun. 30, 2016	May 31, 2016	Mar. 31, 2022	Dec. 31, 2021	Oct. 31, 2018	Sep. 30, 2018	Mar. 31, 2018	Dec. 31, 2017
Pelican Therapeutics, Inc.
Acquisition of Pelican Therapeutics
Ownership interest in subsidiary			85.00%	85.00%	85.00%	80.00%
Pelican Therapeutics, Inc.
Acquisition of Pelican Therapeutics
Percentage of voting interests acquired in acquisition								80.00%
Amount awarded from CPRIT grant		$ 15.2
Pelican Therapeutics, Inc. \| Grant revenue \| Maximum
Acquisition of Pelican Therapeutics
Amount awarded from CPRIT grant	$ 15.2
Pelican Therapeutics, Inc. \| Certain Directors
Acquisition of Pelican Therapeutics
Percentage of milestone payments that will be paid to related parties							22.70%