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Inventories (Tables)
12 Months Ended
Dec. 31, 2023
Inventories [Abstract]  
Schedule of Inventories
(In thousands) 

December 31,
2022

  

December 31,
2023

 
Raw materials   1,971    1,655 
Finished goods   2,401    1,909 
Less: write-down of obsolete inventories   (748)   (1,381)
Total inventories   3,624    2,183