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Note 6 - Operating Leases (Tables)
9 Months Ended
Sep. 30, 2021
Notes Tables  
Lessee, Operating Lease, Liability, Maturity [Table Text Block]

October 1, 2021, through December 31, 2021

  243 

2022

  1,117 

2023

  1,118 

2024

  1,034 

2025

  544 

2026

  509 

Total Lease Payments

  4,565 

Less: Interest expense

  (356)

Present value of lease liabilities

 $4,209 
     

Current operating lease liabilities

 $975 

Long-term operating lease liabilities

  3,234 
  $4,209