v3.19.2
Note 8 - Liability Related to Sale of Future Royalties (Tables)
6 Months Ended
Jun. 30, 2019
Notes Tables  
Other Liabilities [Table Text Block]
   
Six months ended
June 30, 2019
   
Period from
inception to
June 30, 2019
 
Liability related to sale of future royalties — beginning balance
  $
93,679
    $
 
Proceeds from sale of future royalties
   
     
61,184
 
Non-cash royalty revenue
   
(161
)    
(538
)
Non-cash interest expense recognized
   
611
     
33,483
 
Liability related to sale of future royalties as of June 30, 2019
   
94,129
     
94,129
 
Less: current portion
   
(592
)    
(592
)
Liability related to sale of future royalties — net of current portion
  $
93,537
    $
93,537