v3.26.1
Note 6 - Liabilities Related to Sale of Future Royalties 1 (Tables)
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Notes Tables    
Deferred Revenue, by Arrangement, Disclosure [Table Text Block]

Total liability related to sale of future royalties, start of period

 $4,060 

Non-cash royalty revenue paid to HCRP

  (331)

Non-cash interest expense recognized

  505 

Total liability related to sale of future royalties, end of period

  4,234 

Current portion

  (1,862)

Long-term portion

 $2,372 

Total liability related to sale of future royalties, start of year

 $5,758 

Non-cash royalty revenue paid to HCRP

  (4,521)

Non-cash interest expense recognized

  2,823 

Total liability related to sale of future royalties, end of year

  4,060 

Current portion

  (1,381)

Long-term portion

 $2,679