Sale of Future Revenue (Tables)

3 Months Ended

Mar. 31, 2022

Revenue from Contract with Customer [Abstract]

Royalty Obligation Activity

The following table shows the activity of the liability related to the sale of future for the three months ended March 31, 2022:

Liability related to the sale of future revenue, net at December 31, 2021	$	60,284
Royalties related to the sale of future revenue	(92)
Amortization of issuance costs	50
Interest expense related to the sale of future revenue	1,836
Liability related to the sale of future revenue, net (includes current portion of $1,732)	$	62,078