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Note 9 - Leases (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Lessee, Operating Lease, Disclosure [Table Text Block]

Operating lease liability- short term

 $56 

Operating lease liability - long term

  - 

Total Operating Lease Liability

 $56 
Lessee, Operating Lease, Liability, Maturity [Table Text Block]

2022

 $57 

Total future minimum lease payments

  57 

Less imputed interest

  (1)

Total

 $56