Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Financial Assets and Liabilities - Summary of Long-term Debt Carried at Amortized Cost on Condensed Consolidated Balance Sheet (Details)

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Fair Value of Financial Assets and Liabilities - Summary of Long-term Debt Carried at Amortized Cost on Condensed Consolidated Balance Sheet (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Derivative liability - exchange option and change of control $ 1,622 $ 6,058
Book Value    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Current portion of long-term debt   1,627
Long-term exchangeable note 8,502 6,930
Derivative liability - exchange option and change of control 1,622 6,058
Royalty linked notes 15,071 17,968
Total 25,195 32,583
Approximate Fair Value    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Current portion of long-term debt   1,627
Long-term exchangeable note 10,244 9,495
Derivative liability - exchange option and change of control 1,622 6,058
Royalty linked notes 15,071 17,968
Total 26,937 35,148
Level 2 | Approximate Fair Value    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Current portion of long-term debt   1,627
Long-term exchangeable note 10,244 9,495
Total 10,244 11,122
Level 3 | Approximate Fair Value    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Derivative liability - exchange option and change of control 1,622 6,058
Royalty linked notes 15,071 17,968
Total $ 16,693 $ 24,026