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

December 31,

 
  

2021

 

2022

 $1,010,000 

2023

  1,017,000 

2024

  484,000 

2025

  365,000 

Total future minimum lease payments

  2,876,000 

Less imputed interest

  (176,000)

Total lease liabilities

 $2,700,000