v3.25.4
Note 4 - Prepaid Expenses and Other Current Assets (Tables)
12 Months Ended
Dec. 31, 2025
Notes Tables  
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]
  

December 31,

 
  

2025

  

2024

 

Prepaid insurance

 $999  $1,044 

Prepaid supplier expenses

  254   167 

Other receivables

  447   204 

Natural gas derivatives at fair value, current

     207 

Deposits

  99   129 

Other

  177   151 

Total prepaid expenses and other current assets

 $1,976  $1,902