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Prepayments and other assets (Tables)
 12 Months Ended
Dec. 31, 2022
Prepayments and Other Assets [Abstract]  
Schedule of prepayments and other assets
(In thousands)   December 31,
2021  		     December 31,
2022  		  
Prepayments     3,859       2,850  
Deposits     1,389       1,215  
Export tax receivable     744      
—
  
VAT recoverable     729       715  
Others     814       163  
Total of prepayments and other assets     7,535       4,943  

 
Schedule of current and non current prepayments and other assets
(In thousands)   December 31,
2021  		     December 31,
2022  		  
Current     6,225       4,255  
Non-current     1,310       688  
Total of prepayments and other assets     7,535       4,943