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Note 9 - Accrued Liabilities
9 Months Ended
Sep. 30, 2022
Notes to Financial Statements  
Accounts Payable and Accrued Liabilities Disclosure [Text Block]

9. Accrued Expenses

 

Accrued expenses consist of the following (in thousands):

 

  

September 30, 2022

  

December 31, 2021

 
         

Property and equipment related

 $789  $2,242 

Class action settlement

  500   500 

Payroll related

  1,116   180 

Professional

  109   56 

Other

  349   27 
  $2,863  $3,005