Annual report pursuant to Section 13 and 15(d)

Debt and Interest (Narrative) (Details)

v3.22.1
Debt and Interest (Narrative) (Details) - USD ($)
1 Months Ended 12 Months Ended
Oct. 12, 2021
Sep. 30, 2021
Sep. 28, 2021
Sep. 30, 2020
Aug. 27, 2020
Mar. 31, 2021
Aug. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Debt Instrument [Line Items]                  
Total notes payable               $ 42,937,000 $ 51,677,000
Unamortized debt discount fees               7,063,000 8,323,000
Debt instrument, interest expense               $ 11,394,000 9,704,000
Debt instrument, stated interest rate               11.00%  
Debt prepayment penalties               $ 450,000 0
Amortization of interest discount               3,914,000 5,622,000
Fair Value Adjustment of Warrants               447,000 1,189,000
Opus Credit Facility (2019 Notes) [Member]                  
Debt Instrument [Line Items]                  
Debt instrument, interest expense               0 710,000
Repayments of debt             $ 9,000,000.0   9,000,000.0
Opus Credit Facility (2019 Notes) [Member] | Chief Executive Officer (Dr. Rosenwald) [Member]                  
Debt Instrument [Line Items]                  
Debt instrument, interest expense                 500,000
LOC Fees [Member]                  
Debt Instrument [Line Items]                  
Debt instrument, interest expense               51,000 34,000
IDB Note Payable [Member]                  
Debt Instrument [Line Items]                  
Debt instrument, interest expense               $ 0 246,000
Repayments of debt             14,000,000.0   14,858,000
IDB Note Payable [Member] | LOC Fees [Member]                  
Debt Instrument [Line Items]                  
Debt instrument, stated interest rate               2.00%  
Letter of credit, amount outstanding               $ 2,200,000 1,600,000
2017 Subordinated Note Financing [Member]                  
Debt Instrument [Line Items]                  
Unamortized debt discount fees               1,200,000 1,200,000
Debt instrument, interest expense               0 2,870,000
Repayments of debt             28,400,000   28,356,000
Payment of debt issuance fees                 93,000
Oaktree Note [Member]                  
Debt Instrument [Line Items]                  
Debt instrument face amount         $ 60,000,000.0        
Debt instrument, interest expense               6,897,000 2,311,000
Debt instrument, stated interest rate         11.00%        
Repayments of debt               10,450,000  
Debt prepayment penalties               500,000  
Amortization of interest discount               1,300,000 400,000
Debt maturity date         Aug. 27, 2025        
Percentage of upfront commitment fee         3.00%        
Upfront Commitment Fee         $ 1,800,000        
Debt issuance fees               8,700,000  
Agency fees payment         35,000        
Payment of expenses to third parties         $ 2,500,000        
Class of Warrant or Right, Number of Securities Called by Warrants or Rights         1,749,450        
Warrants, fair value         $ 4,400,000        
Payment of debt issuance fees               95,000 4,302,000
Mustang Horizon Notes [Member]                  
Debt Instrument [Line Items]                  
Unamortized debt discount fees               1,800,000 1,800,000
Debt instrument, interest expense       $ 100,000       0 1,585,000
Repayments of debt       15,000,000.0         15,750,000
Debt prepayment penalties       600,000         600,000
Final payment fee       $ 800,000          
Venture Debt [Member]                  
Debt Instrument [Line Items]                  
Unamortized debt discount fees               300,000 300,000
Debt instrument, interest expense               0 1,253,000
Repayments of debt             $ 21,700,000   21,707,000
Payment of debt issuance fees                 $ 58,000
Caelum [Member]                  
Debt Instrument [Line Items]                  
Repayments of debt $ 10,500,000                
Debt prepayment penalties     $ 500,000            
Prepayment amount on monetization     $ 10,000,000            
Caelum [Member] | Interest Expense [Member]                  
Debt Instrument [Line Items]                  
Debt prepayment penalties               500,000  
Journey [Member]                  
Debt Instrument [Line Items]                  
Line of Credit facility expiration period           36 months      
Journey [Member] | East West Bank ("EWB Loan") [Member]                  
Debt Instrument [Line Items]                  
Maximum borrowing capacity           $ 7,500,000      
Debt Instrument, Description of Variable Rate Basis           Interest on the line is the greater of 4.25% or the Prime Rate plus 1%      
Credit facility, amount outstanding               $ 800,000  
Journey [Member] | Promissory Note [Member]                  
Debt Instrument [Line Items]                  
Share price per share   $ 10.00              
Debt Conversion, Converted Instrument, Shares Issued   1,476,044