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Note 4 - Accounts Receivables, Net (Tables)
3 Months Ended
Mar. 31, 2025
Notes Tables  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
  

March 31,

  

December 31,

 
  

2025

  

2024

 
Accounts receivable 

$

100

  

$

233

 
Allowance for doubtful receivables  -   

(112

)

Total

 

$

100

  

$

121