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Note 10 - Debt (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Maturities of Long-term Debt [Table Text Block]

2022

 $- 

2023

  - 

2024

  - 

2025

  - 

2026

  112,500 

Total long-term debt

  112,500 

Less: Current maturities of long-term debt

  - 

Noncurrent portion of long-term debt

 $112,500