Fortress Biotech, Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 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

Summary of Significant Accounting Policies (Narrative) (Details)

v3.22.1

Summary of Significant Accounting Policies (Narrative) (Details) $ in Thousands	1 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2021 USD ($) segment	Dec. 31, 2020 USD ($)
Accounting Policies [Line Items]
Number of operating segment \| segment		2
Number of reportable segment \| segment		2
Proceeds from issuance of Series A perpetual preferred stock			$ 39,075
Allowance for doubtful accounts		$ 100	100
Long-lived assets, impairment charges		0	0
Unrecognized tax benefits		0
Accrued for interest or penalty		$ 0
Product Revenue Benchmark [Member] \| Product Concentration Risk [Member] \| Sales Channel, Through Intermediary [Member]
Accounting Policies [Line Items]
Concentration risk, percentage		85.00%
LOC Fees [Member]
Accounting Policies [Line Items]
Restricted cash		$ 2,200	1,600
Minimum [Member]
Accounting Policies [Line Items]
Prompt pay discount term		30 days
Maximum [Member]
Accounting Policies [Line Items]
Ownership percentage of the subsidiary to consolidate their accounts		100.00%
Prompt pay discount term		75 days
Maximum [Member] \| Maintains Voting Control [Member]
Accounting Policies [Line Items]
Ownership percentage of the subsidiary to consolidate their accounts		50.00%
Oaktree Note [Member]
Accounting Policies [Line Items]
Weighted average effective interest rate		16.08%
Mustang [Member]
Accounting Policies [Line Items]
Costs for the design and construction of the facility		$ 2,000	$ 500
Journey [Member] \| 8% Cumulative Convertible Class A Preferred Stock [Member]
Accounting Policies [Line Items]
Preferred Stock, dividend rate percentage	8.00%	8.00%
Qbrexza [Member] \| Fair Value Adjustment to Inventory [Member]
Accounting Policies [Line Items]
Finished good inventory, fair value step-up		$ 6,500

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