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Note 8 - Leases (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Lessee, Operating Lease, Liability, Maturity [Table Text Block]

Year ending December 31,

 

Operating Leases

 
     

2022

 $406,000 

2023

  302,000 

2024

  58,000 

Total lease payments

  766,000 

Less imputed interest

  (38,000)

Total

 $728,000