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Note 9 - Additional Financial Statement Information 1 (Tables)
9 Months Ended 12 Months Ended
Sep. 30, 2023
Dec. 31, 2022
Notes Tables    
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]
  

September 30,

  

December 31,

 
  

2023

  

2022

 

Prepaid expenses and other current assets

        

Prepaid expenses

 $2,604  $1,767 

Advances to suppliers

  228   588 

Other current assets

  413   843 

Total

 $3,245  $3,198 
  

December 31,

 
  

2022

  

2021

 

Prepaid expenses and other current assets

        

Prepaid expenses

 $1,767  $1,153 

Advances to suppliers

  588   829 

Other current assets

  843   713 

Total

 $3,198  $2,695 
Schedule of Accrued Liabilities [Table Text Block]
  

September 30,

  

December 31,

 
  

2023

  

2022

 

Accrued expenses and other liabilities

        

Provisions

  66   71 

Payroll and benefits payable

  2,111   3,289 

Other taxes payable

  5,373   3,128 

Other

  430   451 

Total

 $7,980  $6,939 
         

Total current

 $7,481  $6,417 

Total non-current

 $499  $522 
  

December 31,

 
  

2022

  

2021

 

Accrued expenses and other liabilities

        

Accrued professional fees related to Merger(1)

 $  $16,263 

Provisions

  71   2,934 

Payroll and benefits payable

  3,289   2,545 

Other taxes payable

  3,128   2,045 

Other

  451   2,200 

Total

 $6,939  $25,987 
         

Total current

 $6,417  $23,435 

Total non-current

 $522  $2,552 
Schedule of Finance Costs, Net and Other Financial Income (Expense) [Table Text Block]
  

Three Months Ended September 30,

  

Nine Months Ended September 30,

 
  

2023

  

2022

  

2023

  

2022

 

Finance income (expense), net

                

Interest expense

 $  $(9) $(3) $(1,597)

Redeemable Series X preferred stock dividends

           (97)

Other finance costs

  (38)  (29)  (103)  (99)

Interest income

  427   419   1,577   568 

Total

 $389  $381  $1,471  $(1,225)
  

Year Ended December 31,

 
  

2022

  

2021

  

2020

 

Finance costs, net

            

Interest expense

 $(1,596) $(8,729) $(43)

Redeemable Series X preferred stock dividends

  (97)  (974)   

Other finance costs

  (123)  (71)   

Interest income

  1,164   36   78 

Total

 $(652) $(9,738) $35