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Note 11 - Notes Payable (Tables)
9 Months Ended
Sep. 30, 2021
Notes Tables  
Schedule of Debt [Table Text Block]
  

September 30, 2021

  

December 31, 2020

 
         

Notes payable, current portion

        

Paycheck Protection Program

 $  $29 

Total notes payable, current portion

 $  $29 
         

Notes payable, non-current portion

        

Paycheck Protection Program

 $  $303 

Total notes payable, non-current portion

 $  $303