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Note 7 - Accounts Payable and Accrued Expenses (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]
  

December 31,

  

December 31,

 
  

2021

  

2020

 

Accounts payable

 $2,476  $629 

Accrued compensation

  902   1,420 
Accrued income taxed  342   - 

Other accrued expenses

  348   476 
  $4,068  $2,525