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Sale of future royalties (Tables)

6 Months Ended

Jun. 30, 2023

Other Liabilities Disclosure [Abstract]

Schedule of activity related to the net liability from inception of the Agreement

The table below shows the activity related to the net liability for the six months ended June 30, 2023 and 2022:

			Six Months Ended June 30,
			2023						2022
			(in thousands)
Net liability related to sale of future royalties - beginning balance			$	10,365					$	16,296
Non-cash royalty revenue			(1,944)						(3,048)
Non-cash interest expense			366						985
Net liability related to sale of future royalties - ending balance			$	8,787					$	14,233

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Liabilities Related To Sale Of Future Royalties Roll Forward

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