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Note 10 - Domestic and Foreign Revenues (Tables)
3 Months Ended
Mar. 31, 2024
Notes Tables  
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]
  

Three Months Ended March 31,

  

2024

 

2023

Malaysia

 $882  $1,579 

Australia

  774   207 

Greece

  388   144 

Hungary

     496 

All other foreign countries

  626   717 

Total foreign revenues

 $2,670  $3,143 

Total domestic revenues

 $8,515  $6,224