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

Quarterly report pursuant to Section 13 or 15(d)

License Agreements and Clinical Research Support Agreements (Details Textual)

License Agreements and Clinical Research Support Agreements (Details Textual) - USD ($)		1 Months Ended				3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 03, 2017	May 31, 2017	Apr. 25, 2017	Feb. 28, 2017	Feb. 17, 2017	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Research And Development Expense, Sponsored Research Payment					$ 2,000,000
Research and Development Expense						$ 500,000	$ 500,000	$ 1,000,000	$ 1,000,000
Common Stock, Shares, Outstanding						25,221,889		25,221,889		15,165,244
Psca Technology License [Member]
Payment Of Upfront Fees		$ 300,000
Revenue Recognition Milestone Method Payments Due		14,900,000
Maintenance Costs		50,000
Cs Technology License [Member]
Payment Of Upfront Fees		600,000
Revenue Recognition Milestone Method Payments Due		14,900,000
Maintenance Costs		$ 50,000
Stephen Forman [Member]
Annual Consulting Fees										$ 60,000
Christine Brown [Member]
Annual Consulting Fees										$ 60,000
University of California [Member] \| UCLA License [Member]
Payment Of Upfront Fees			$ 200,000
Other Commitment, Due in Next Twelve Months			15,000
Other Commitment, Due in Third Year			25,000
Other Commitment, Due in Second Year			15,000
Other Commitment, Due in Fifth Year			50,000
Other Commitment, Due in Fourth Year			$ 25,000
City Of Hope [Member]
Revenue Recognition Milestone Method Payments Due					125,000
Stock Issued During Period, Shares, Purchase of Assets								293,588
Payments for Other Fees					125,000
City Of Hope [Member] \| AR CD123 License [Member]
Payment Of Upfront Fees				$ 19,450
Revenue Recognition Milestone Method Payments Due					14,500,000
Research And Development Expense, Sponsored Research Payment				231,300
Research and Development Expense						$ 575,000
Licencing Arrangements, Additional Costs Incurred				97,490
Maintenance Costs				25,000
City Of Hope [Member] \| IL License [Member]
Payment Of Upfront Fees				9,238
Revenue Recognition Milestone Method Payments Due					$ 14,500,000
Research And Development Expense, Sponsored Research Payment				199,500
Licencing Arrangements, Additional Costs Incurred				136,300
Maintenance Costs				25,000
City Of Hope [Member] \| Her2 Technology License [Member]
Payment Of Upfront Fees	$ 600,000
Revenue Recognition Milestone Method Payments Due	14,900,000
Maintenance Costs	$ 50,000
City Of Hope [Member] \| Spacer License [Member]
Maintenance Costs				$ 10,000
City Of Hope [Member] \| IL 13 CRA [Member]
Research and Development Expense								$ 1,000,000	$ 1,000,000
Common Class A [Member]
Stock Issued During Period, Shares, Purchase of Assets								0
Common Stock, Shares, Outstanding						1,000,000		1,000,000		1,000,000
Noncontrolling Interest, Ownership Percentage by Parent						5.00%		5.00%