v3.26.1
Note 3 - Prepaid Expenses and Other Current Assets (Tables)
6 Months Ended
Jun. 30, 2026
Notes Tables  
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]
   

June 30,

   

December 31,

 
   

2026

   

2025

 

Prepaid insurance

  $ 14     $ 493  

Contract research organization and other deposits

    830       1,530  

Interest receivable

          120  

Other

    198       64  

Total prepaid expenses and other current assets

  $ 1,042     $ 2,207