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Note 3 - Debt (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Maturities of Long-Term Debt [Table Text Block]

2023

    $2,000  

2024

    2,000  

2025

    15,330  

2026

    2,000  

2027

    167  

Thereafter

    0  

Total

    $21,497