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License, Clinical Trial and Sponsored Research Agreements (Tables)

12 Months Ended

Dec. 31, 2019

License Agreements [Member]

Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]

Schedule of license, clinical trial and sponsored research agreements

		For the year ended December 31,
($ in thousands)		2019			2018
City of Hope
CD123		$	250		$	—
CS1			200			—
PSCA			200			—
HER2			—			200
Manufacturing			—			75
CSL Behring (Calimmune)			200			—
UCLA			300			—
St. Jude - XSCID			—			1,000
Nationwide Children's Hospital - C134			200			—
Fortress PIK Dividend			4,923			2,085
Total		$	6,273		$	3,360

Sponsored Research And Clinical Trial Agreements [Member]

Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]

Schedule of license, clinical trial and sponsored research agreements

		For the year ended December 31,
($ in thousands)		2019			2018
City of Hope		$	2,000		$	2,000
City of Hope - CD123			1,202			835
City of Hope - IL13Rα2			876			1,056
City of Hope - Manufacturing			457			458
Fred Hutch - CD20			762			1,301
St. Jude - XSCID			777			—
BIDMC - CRISPR			69			69
Total		$	6,143		$	5,719

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

Tabular disclosure of collaborative arrangement and arrangement other than collaborative applicable to revenue-generating activity or operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 808
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6931272&loc=SL5834143-161434

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