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Note 8 - Leases (Tables)
9 Months Ended
Sep. 30, 2021
Notes Tables  
Lessee, Operating Lease, Disclosure [Table Text Block]

Operating lease liability- short term

 $79 

Operating lease liability - long term

  - 

Total Operating Lease Liability

 $79 
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

2021 (3 months)

 $24 

2022

  58 

Total future minimum lease payments

  82 

Less imputed interest

  (3)

Total

 $79