v3.20.2
Note 7 - Liability Related to Sale of Future Royalties - Activity of Liability Related to Sale of Future Royalties (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 60 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Dec. 31, 2019
 [1]
Liability related to sale of future royalties — beginning balance     $ 92,035   $ 0  
Proceeds from sale of future royalties     0   61,184  
Non-cash royalty revenue     (194)   (878)  
Non-cash interest (income) expense recognized $ (825) $ (986) (2,502) $ (375) 29,033  
Liability related to sale of future royalties as of September 30, 2020 89,339   89,339   89,339  
Less: current portion (225)   (225)   (225) $ (352)
Liability related to sale of future royalties — net of current portion $ 89,114   $ 89,114   $ 89,114 $ 91,683
[1] The condensed consolidated balance sheet as of December 31, 2019 has been derived from the audited financial statements as of that date included in the Company's Annual Report on Form 10-K for the year ended December 31, 2019.