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Liability Related to the Sale of Future Royalties (Tables)
 12 Months Ended
Dec. 31, 2022
Liability for Future Policy Benefit, after Reinsurance [Abstract]  
Schedule of liability related to the sale of future royalties [Table Text Block] :

 

 

For the year ended December 31,

 

 

 

2022

 

 

 

(in thousands)

 

Liability related to the sale of future revenues, beginning balance

 

$

—

 

Proceeds from sale of future revenues, net

 

 

30,605

 

Less: debt issuance costs

 

 

(368

)

Liability related to the sale of future revenues, ending balance

 

$

30,237