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

Operating lease payments

  

Expected sublease receipts

 
  

(Unaudited - In thousands)

 

2021 (three months ending December 31)

 $149  $132 

2022

  601   540 

2023

  607   556 

2024

  613   573 

2025

  619   590 

2026

  207   199 

Thereafter

      

Total future minimum lease payments

  2,796  $2,590 

Less imputed interest

  (658)    

Total operating lease liabilities

 $2,138