Liability Related to the Sale of Future Royalties (Tables)

12 Months Ended

Dec. 31, 2021

Revenue Recognition and Deferred Revenue [Abstract]

Schedule of Changes in the Liability Related to the Sale of Future Royalties

The following table presents the changes in the liability related to the sale of future royalties under the Revenue Interest Agreement with HCR as of December 31, 2021 (in thousands):

	December 31, 2021
Liability related to sale of future royalties, beginning balance	$	—
Proceeds from sale of future royalties, gross		50,000
Less initial issuance costs (recorded as discount)		(2,460	)
Less initial derivative liability (recorded as discount)		(1,006	)
Less payments made		(60	)
Plus Interest expense accrued/ recognized		1,940
Liability related to sale of future royalties, ending balance	$	48,414