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Note 4 - Line of Credit and Term Loans (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Maturities of Long-Term Debt [Table Text Block]

2023

 $704 

2024

  724 

2025

  342 

2026

  210 

2027

  210 

Thereafter

  1,805 

Total future maturities

 $3,995