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

Related Party Transactions (Narrative) (Details)

v3.22.1

Related Party Transactions (Narrative) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Related Party Transaction [Line Items]
Revenue from TGTX	$ 52,000	$ 68,000
Total notes payable	85,056,000		$ 42,937,000
Interest expense, interest	$ 1,961,000	1,880,000
Checkpoint [Member]
Related Party Transaction [Line Items]
Paid in Kind dividend as a percentage of fully diluted outstanding capitalization	0.00%
Avenue [Member]
Related Party Transaction [Line Items]
Paid in Kind dividend as a percentage of fully diluted outstanding capitalization	0.00%
Journey [Member]
Related Party Transaction [Line Items]
Proceeds from Related Party Agreement	$ 100,000
Chief Executive Officer (Dr. Rosenwald) [Member]
Related Party Transaction [Line Items]
Interest own in percent by principal stockholder or director	10.90%
Executive Vice Chairman [Member]
Related Party Transaction [Line Items]
Interest own in percent by principal stockholder or director	11.60%
Shared Services Agreement [Member] \| TGTX [Member]
Related Party Transaction [Line Items]
Related party transaction, receivables	$ 100,000	100,000
Proceeds from Related Party Agreement	100,000	100,000
Desk Share Agreements [Member] \| TGTX and OPPM [Member] \| New York, NY Office Space [Member]
Related Party Transaction [Line Items]
Related party transaction, receivables	0
Total payment for rent	$ 900,000	700,000
Percentage of Rentable Area	65.00%
Desk Share Agreements [Member] \| TGTX [Member] \| New York, NY Office Space [Member]
Related Party Transaction [Line Items]
Related party transaction, receivables	$ 500,000	400,000
Desk Share Agreements [Member] \| TGTX [Member] \| Waltham office space [Member]
Related Party Transaction [Line Items]
Related party transaction, receivables	20,000	28,000
Total payment for rent	$ 100,000	$ 100,000

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