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Cash and cash equivalents and short-term deposit
 12 Months Ended
Dec. 31, 2022
Disclosure of Cash and Cash Equivalents and Short-Term Deposit [Abstract]  
Cash and cash equivalents and short-term deposit
12.Cash and cash equivalents and short-term deposit

 

Cash and cash equivalents represent cash on hand, cash held at bank, and term deposits placed with banks or other financial institutions, which have original maturities of three months or less.

 

Short-term deposit represents term deposit placed with bank with original maturity more than three months but less than one year. The Group had US$197 thousand of short-term deposit as of December 31, 2022, with an original maturity of 12 months denominated in HKD.

 

Cash on hand and cash held at bank balance and short-term deposit as of December 31, 2021 and 2022 primarily consist of the following currencies:

 

    December 31, 2021     December 31, 2022  
(In thousands)   Original
currency  		     US$
equivalent  		     Original
currency  		     US$
Equivalent  		  
US$     3,195       3,195       6,276       6,276  
RMB     13,433       2,107       27,129       3,895  
JPY     158,479       1,192       448,139       3,370  
HKD     5,791       743       5,411       695  
Others             827               882  
Total             8,064               15,118