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Note 8 - Trade Accounts Receivable (Tables)
9 Months Ended
Sep. 30, 2025
Notes Tables  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
  

September 30,

  

December 31,

 
  

2025

  

2024

 

Trade accounts receivable, current

 $7,760  $6,563 

Trade accounts receivable, long-term

  90   80 

Allowance for doubtful accounts

  (1,439)  (151)

Trade accounts receivable, net

 $6,411  $6,492 

Unpaid deferred revenue included in trade accounts receivable

 $1,503  $2,590 
Schedule of Accounts Receivable By Major Customers By Reporting Segments [Table Text Block]
  

September 30,

  

December 31,

 
  

2025

  

2024

 

Company A

  30%  47%

Company B

  24%  * 

Company C

  *   12%