v3.25.2
Note 4 - Prepaid Expenses and Other Current Assets (Tables)
6 Months Ended
Jun. 30, 2025
Notes Tables  
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]
   

June 30,

   

December 31,

 

(in thousands)

 

2025

   

2024

 

Metals to be used in research and development

  $ 2,664     $ 1,849  

Grants receivable

    774        

Prepaid clinical and CRO expenses

    280       1,557  

Research and development tax credits receivable

    545       327  

Other

    358       137  

Total prepaid expenses and other current assets

  $ 4,621     $ 3,870