Fortress Biotech, 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
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Debt and Interest- Additional Information (Detail)

v3.2.0.727

Debt and Interest- Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Mar. 31, 2015
Debt [Line Items]
Interest Expense, Debt			$ 800
Accretion of Discount			$ 400
Debt Instrument, Interest Rate, Effective Percentage	9.00%		9.00%
IDB Promissory Note Payable [Member]
Debt [Line Items]
Notes Payable	$ 14,000		$ 14,000
NSC Notes Payable [Member]
Debt [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	8.00%		8.00%
Debt Instrument, Fee Amount	$ 900		$ 900
Interest Expense, Debt	$ 208	$ 0	$ 279	$ 0
Notes Payable					$ 10,000
NSC [Member]
Debt [Line Items]
Debt Instrument, Term			10 years

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Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of passage of time.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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