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Note 9 - Payroll Liabilities (Tables)
9 Months Ended
Sep. 30, 2023
Notes Tables  
Schedule of Payroll Liabilities [Table Text Block]
  

As of September 30,

  

As of December 31,

 
  

2023

  

2022

 

Accrued bonuses

 $806  $1,060 

Accrued vacation

  210   224 

Accrued payroll

  428   241 

Total payroll liabilities

 $1,444  $1,525