Quarterly report pursuant to Section 13 or 15(d)

Debt and Interest (Interest Expense) (Details)

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Debt and Interest (Interest Expense) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Debt Instrument [Line Items]          
Interest expense, interest $ 1,491 $ 5,202 $ 3,484 $ 8,522  
Amortization of fees 631 1,223 1,240 2,199  
Interest expense, Total 2,122 6,425 4,724 10,721  
Unamortized debt discount fees 2,993   2,993   $ 4,144
Oaktree Note          
Debt Instrument [Line Items]          
Interest expense, interest 1,390 1,391 2,781 2,781  
Amortization of fees 522 712 1,024 1,136  
Interest expense, Total 1,912 2,103 3,805 3,917  
Partner company convertible preferred shares          
Debt Instrument [Line Items]          
Interest expense, interest   391   651  
Amortization of fees 45 239 90 299  
Debt Discount Amortization (403)   (290)    
Interest expense, Total   630   950  
Interest expense, Total, Net (358)   (200)    
Partner company installment payments - licenses          
Debt Instrument [Line Items]          
Interest expense, interest   85 0 176  
Amortization of fees     0 0  
Interest expense, Total   85 0 176  
Partner company notes payable          
Debt Instrument [Line Items]          
Interest expense, interest 499 3,301 985 4,801  
Amortization of fees 64 272 126 432  
Interest expense, Total 563 3,573 1,111 5,233  
Other          
Debt Instrument [Line Items]          
Interest expense, interest 5 34 8 113  
Amortization of fees     0 332  
Interest expense, Total $ 5 $ 34 $ 8 $ 445