Debt and Interest (Interest Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Interest expense, interest	$ 10,417	$ 11,394
Amortization of fees	2,065	3,914
Interest expense, Total	12,482	15,308
Unamortized debt discount fees	9,320	7,063
Repayments of Debt	0	10,450
Debt prepayment penalties	0	450
Letter of Credit [Member]
Debt Instrument [Line Items]
Interest expense, interest	54	51
Amortization of fees	0	0
Interest expense, Total	54	51
Oaktree Note [Member]
Debt Instrument [Line Items]
Interest expense, interest	5,561	6,897
Amortization of fees	1,532	1,342
Interest expense, Total	7,093	8,239
Debt prepayment penalties		500
Partner Company Dividend Payable [Member]
Debt Instrument [Line Items]
Interest expense, interest	0	820
Amortization of fees	0	0
Interest expense, Total	0	820
Partner Company Convertible Preferred Shares [Member]
Debt Instrument [Line Items]
Interest expense, interest	0	2,845
Amortization of fees	0	2,572
Interest expense, Total	0	5,417
Partner company installment payments - licenses [Member]
Debt Instrument [Line Items]
Interest expense, interest	770	781
Amortization of fees	0	0
Interest expense, Total	770	781
Partner Company Notes Payable [Member]
Debt Instrument [Line Items]
Interest expense, interest	4,021	0
Amortization of fees	533	0
Interest expense, Total	4,554	0
Other Debt [Member]
Debt Instrument [Line Items]
Amortization of fees	0	0
Interest expense (income)	$ 11	$ 0