Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions (Narrative) (Details)

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Related Party Transactions (Narrative) (Details) - USD ($)
 1 Months Ended 3 Months Ended 6 Months Ended
Aug. 31, 2020
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Dec. 30, 2022
Related Party Transaction [Line Items]              
Common Stock, par value   $ 0.001   $ 0.001   $ 0.001 $ 0.0001
Aggregate purchase price     $ (41,000) $ 10,118,000 $ 13,154,000    
Proceeds from issuance of Common stock       $ 2,826,000 1,168,000    
Preferred Stock, shares outstanding   3,427,138   3,427,138   3,427,138  
Preferred Stock, Liquidation Preference Per Share   $ 25.00   $ 25.00   $ 25.00  
Total notes payable   $ 67,007,000   $ 67,007,000   $ 60,856,000  
Repayments of Debt       $ 0 40,375,000    
Avenue              
Related Party Transaction [Line Items]              
Paid in Kind dividend as a percentage of fully diluted outstanding capitalization       2.50%      
Journey              
Related Party Transaction [Line Items]              
Proceeds from Related Party Agreement   8,000 21,000 $ 18,000 36,000    
Related Party              
Related Party Transaction [Line Items]              
Revenue - related party   41,000 31,000 41,000 66,000    
Related Party | Journey              
Related Party Transaction [Line Items]              
Other receivables - related party   300,000   300,000      
TGTX | Shared Services Agreement | Related Party              
Related Party Transaction [Line Items]              
Other receivables - related party   100,000 0 100,000 0    
Revenue - related party   100,000 100,000 700,000 200,000    
TGTX | Desk Share Agreements | New York, NY Office Space              
Related Party Transaction [Line Items]              
Total payment for rent   700,000 800,000 1,400,000 1,400,000    
TGTX | Desk Share Agreements | Related Party | New York, NY Office Space              
Related Party Transaction [Line Items]              
Revenue - related party   $ 500,000 $ 500,000 $ 1,000,000.0 $ 1,000,000.0    
Cyprium | Related Party | 9.375% Series A Cumulative Redeemable Perpetual Preferred Stock              
Related Party Transaction [Line Items]              
Preferred Stock, dividend rate percentage 9.375%            
Preferred Stock, shares outstanding   300,600   300,600      
Monthly cash dividend $ 0.19531            
Annual cash dividend payable 2.34375            
Preferred Stock, Liquidation Preference Per Share $ 25.00            
Exchange term of preferred stock 24 months