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Note 9 - Lease (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Lessee, Operating Lease, Disclosure [Table Text Block]

Operating lease liability- short term

  $ 108  

Operating lease liability - long term

    193  

Total Operating Lease Liability

  $ 301  
Lessee, Operating Lease, Liability, Maturity [Table Text Block]

2023

  $ 121  

2024

    126  

2025

    75  

Total future minimum lease payments

    322  

Less imputed interest

    (21 )

Total

  $ 301