XML 40 R29.htm IDEA: XBRL DOCUMENT v3.25.3
Note 4 - Summary of Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2025
Notes Tables  
Schedule of Intangible Assets and Goodwill [Table Text Block]
  September 30,  December 31, 

(in thousands)

 

2025

  

2024

 
         

Istaroxime drug candidate

 $6,210  $22,340 

Rostafuroxin drug candidate

  1,790   1,790 

Intangible assets

 $8,000  $24,130