v3.26.3
Note 4 - Prepaid Expenses and Other Current Assets (Tables)
9 Months Ended
Sep. 30, 2026
Notes Tables  
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]
  

September 30,

  

December 31,

 

(in thousands)

 

2026

  

2025

 

Metals to be used in research and development

 $2,626  $2,736 

Grants receivable

  806   — 

Prepaid clinical and CRO expenses

  291   286 

Research and development tax credits receivable

  559   590 

Other

  241   139 

Total prepaid expenses and other current assets

 $4,523  $3,751