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Note 9 - Leases (Tables)
12 Months Ended
Dec. 31, 2020
Notes Tables  
Lessee, Operating Lease, Liability, Maturity [Table Text Block]

Year:

    

2021

 $11 

2022

  10 

2023

  8 

2024

  7 

2025

  7 

Thereafter

  41 

Total lease payments

  84 

Less: Imputed interest

  (26)

Present value of lease liabilities

 $58