Mustang Bio, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Related Party Agreements (Narrative) (Details)

v3.21.2

Related Party Agreements (Narrative) (Details) - USD ($)			3 Months Ended		6 Months Ended		12 Months Ended
	Jan. 01, 2021	Jul. 22, 2016	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Related Party Transaction [Line Items]
Proceeds from issuance of common shares					$ 0	$ 37,230,000
At the Market Offering [Member]
Related Party Transaction [Line Items]
Proceeds from issuance of common shares					$ 63,800,000	$ 8,000,000.0
Common Shares [Member]
Related Party Transaction [Line Items]
Shares issued for services (in shares)					2,001,490	1,206,667
Fortress Biotech, Inc [Member]
Related Party Transaction [Line Items]
Percentage of annual fees expense related to Management Services Agreement recorded in research and development expenses			50.00%	50.00%	50.00%	50.00%
Percentage of annual fees expense related to Management Services Agreement recorded in general and administrative expenses			50.00%	50.00%	50.00%	50.00%
Shares issued for services (in shares)	2,001,490				452,965
Proceeds from issuance of common shares						$ 63,800,000
Percentage of fully diluted equity	2.50%	2.50%				2.50%
Expenses from related party transaction					$ 250,000	$ 250,000
Fortress Biotech, Inc [Member] \| Research and Development [Member]
Related Party Transaction [Line Items]
Expenses from related party transaction							$ 7,600,000
Fortress Biotech, Inc [Member] \| General and Administrative [Member]
Related Party Transaction [Line Items]
Expenses from related party transaction					$ 1,600,000

- Definition

Represents the percentage of diluted outstanding equity paid as equity fee or used to calculate stock issuance to maintain parity.

+ References

No definition available.

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- Definition

Percentage of annual fees expense related to Management Services Agreement recorded in general and administrative expenses

+ References

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- Definition

Percentage of annual fees expense related to Management Services Agreement recorded in research and development expenses

+ References

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- Definition

The cash inflow from the additional capital contribution to the entity.

+ 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)
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- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
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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

Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.

+ References

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