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Note 9 - Leases (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Lessee, Operating Lease, Liability, Maturity [Table Text Block]

Year:

    

2022

 $13 

2023

  11 

2024

  11 

2025

  10 

2026

  9 

Thereafter

  46 

Total lease payments

  100 

Less: Imputed interest

  (28)

Present value of lease liabilities

 $72