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)

v3.22.2

Related Party Transactions (Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	May 11, 2022	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Mar. 31, 2022	Dec. 31, 2021
Related Party Transaction [Line Items]
Revenue from TGTX		$ 18	$ 155	$ 70	$ 223
Total notes payable		85,611		85,611			$ 42,937
Interest expense, interest		2,597	2,166	$ 4,558	4,046
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		$ 100
Chief Executive Officer (Dr. Rosenwald) [Member]
Related Party Transaction [Line Items]
Interest own in percent by principal stockholder or director						10.80%
Executive Vice Chairman [Member]
Related Party Transaction [Line Items]
Interest own in percent by principal stockholder or director		11.50%		11.50%
Shared Services Agreement [Member] \| TGTX [Member]
Related Party Transaction [Line Items]
Revenue from TGTX		$ 500	100	$ 600	200
Related party transaction, receivables		100		100
Desk Share Agreements [Member] \| TGTX [Member] \| New York, NY Office Space [Member]
Related Party Transaction [Line Items]
Revenue from TGTX		500	400	900	900
Related party transaction, receivables		0		0
Total payment for rent		$ 500	$ 700	$ 1,500	$ 1,400
Stock Contribution Agreement [Member] \| Avenue [Member]
Related Party Transaction [Line Items]
Percentage of common and preferred shares to be transferred to partner company.	100.00%
Minimum proceeds required for closing of equity financing	$ 7,500
Percentage of partner company shares to be repurchased by partner company in stock contribution agreement	100.00%

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