Business acquisition share exchange ratio.

No definition available.

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- Definition

Organization consolidation and presentation of financial statements.

+ References

No definition available.

+ Details

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

+ Details

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- Definition

Percentage of voting equity interests acquired in a business combination achieved in stages, including equity interests in the acquiree held by the acquirer immediately before the acquisition date and acquired at the acquisition date.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Percentage of equity in the acquiree held by the acquirer immediately before the acquisition date in a business combination.

+ References

No definition available.

+ Details

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- Definition

Face amount or stated value per share of common stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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- Details

Name:	us-gaap_BusinessAcquisitionAxis=ibrx_NantcellIncMember
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Period Type:

Description of Business - Additional Information (Detail)	Mar. 09, 2021 $ / shares	Dec. 31, 2020 $ / shares	Dec. 31, 2019 $ / shares
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Common stock, par value	$ 0.001	$ 0.0001	$ 0.0001
NantCell, Inc
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Business combination, step acquisition, equity interest in acquiree, percentage	72.00%
Business acquisition, percentage of voting interests acquired	28.00%
Business combination, step acquisition, equity interest in acquiree, including subsequent acquisition, percentage	82.00%
Common stock, par value	$ 0.0001
Business acquisition share exchange ratio	0.8190